## Septensexagintatrecentillion

A Septensexagintatrecentillion (1 Septensexagintatrecentillion) is 10 to the power of 1104 (10^1104). This is an excessively astronomical number!

## How many zeros in a Septensexagintatrecentillion?

There are 1,104 zeros in a Septensexagintatrecentillion.

## What's before Septensexagintatrecentillion?

A Sesexagintatrecentillion is smaller than a Septensexagintatrecentillion.

## What's after Septensexagintatrecentillion?

A Octosexagintatrecentillion is larger than a Septensexagintatrecentillion.

## Septensexagintatrecentillionaire

A Septensexagintatrecentillionaire is someone whos assets, net worth or wealth is 1 or more Septensexagintatrecentillion. It is unlikely anyone will ever be a true Septensexagintatrecentillionaire. If you want to be a Septensexagintatrecentillionaire, play Tap Tales!

## Is Septensexagintatrecentillion the largest number?

Septensexagintatrecentillion is not the largest number. Infinity best describes the largest possible number - if there even is one! We cannot comprehend what the largest number actually is.

## Septensexagintatrecentillion written out

Septensexagintatrecentillion is written out as:

1,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000

## Big Numbers

This is just one of many really big numbers!