## Septenquinquagintacentillion

A Septenquinquagintacentillion (1 Septenquinquagintacentillion) is 10 to the power of 474 (10^474). This is an excessively astronomical number!

## How many zeros in a Septenquinquagintacentillion?

There are 474 zeros in a Septenquinquagintacentillion.

## What's before Septenquinquagintacentillion?

A Sesquinquagintacentillion is smaller than a Septenquinquagintacentillion.

## What's after Septenquinquagintacentillion?

A Octoquinquagintacentillion is larger than a Septenquinquagintacentillion.

## Septenquinquagintacentillionaire

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

## Is Septenquinquagintacentillion the largest number?

Septenquinquagintacentillion 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.

## Septenquinquagintacentillion written out

Septenquinquagintacentillion 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

## Big Numbers

This is just one of many really big numbers!