## Sesquinquagintatrecentillion

A Sesquinquagintatrecentillion (1 Sesquinquagintatrecentillion) is 10 to the power of 1071 (10^1071). This is an excessively astronomical number!

## How many zeros in a Sesquinquagintatrecentillion?

There are 1,071 zeros in a Sesquinquagintatrecentillion.

## What's before Sesquinquagintatrecentillion?

A Quinquinquagintatrecentillion is smaller than a Sesquinquagintatrecentillion.

## What's after Sesquinquagintatrecentillion?

A Septenquinquagintatrecentillion is larger than a Sesquinquagintatrecentillion.

## Sesquinquagintatrecentillionaire

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

## Is Sesquinquagintatrecentillion the largest number?

Sesquinquagintatrecentillion 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.

## Sesquinquagintatrecentillion written out

Sesquinquagintatrecentillion 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

## Big Numbers

This is just one of many really big numbers!