## Sedecitrecentillion

A Sedecitrecentillion (1 Sedecitrecentillion) is 10 to the power of 951 (10^951). This is an excessively astronomical number!

## How many zeros in a Sedecitrecentillion?

There are 951 zeros in a Sedecitrecentillion.

## What's before Sedecitrecentillion?

A Quindecitrecentillion is smaller than a Sedecitrecentillion.

## What's after Sedecitrecentillion?

A Septendecitrecentillion is larger than a Sedecitrecentillion.

## Sedecitrecentillionaire

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

## Is Sedecitrecentillion the largest number?

Sedecitrecentillion 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.

## Sedecitrecentillion written out

Sedecitrecentillion 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

## Big Numbers

This is just one of many really big numbers!