2156262115112 has 96 divisors (see below), whose sum is σ = 5021683128000. Its totient is φ = 863376788736.

The previous prime is 2156262115039. The next prime is 2156262115129. The reversal of 2156262115112 is 2115112626512.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2393237 + ... + 3168612.

It is an arithmetic number, because the mean of its divisors is an integer number (52309199250).

Almost surely, 2^{2156262115112} is an apocalyptic number.

It is an amenable number.

2156262115112 is an abundant number, since it is smaller than the sum of its proper divisors (2865421012888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2156262115112 is a wasteful number, since it uses less digits than its factorization.

2156262115112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5561935 (or 5561924 counting only the distinct ones).

The product of its digits is 14400, while the sum is 35.

The spelling of 2156262115112 in words is "two trillion, one hundred fifty-six billion, two hundred sixty-two million, one hundred fifteen thousand, one hundred twelve".