## Septentrigintacentillion

A Septentrigintacentillion (1 Septentrigintacentillion) is 10 to the power of 414 (10^414). This is an excessively astronomical number!

## How many zeros in a Septentrigintacentillion?

There are 414 zeros in a Septentrigintacentillion.

## What's before Septentrigintacentillion?

A Sestrigintacentillion is smaller than a Septentrigintacentillion.

## What's after Septentrigintacentillion?

A Octotrigintacentillion is larger than a Septentrigintacentillion.

## Septentrigintacentillionaire

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

## Is Septentrigintacentillion the largest number?

Septentrigintacentillion 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.

## Septentrigintacentillion written out

Septentrigintacentillion 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

## Big Numbers

This is just one of many really big numbers!