2156925575112 has 96 divisors (see below), whose sum is σ = 6842936466720. Its totient is φ = 560240405760.

The previous prime is 2156925575083. The next prime is 2156925575131. The reversal of 2156925575112 is 2115755296512.

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, 83356173 + ... + 83382044.

It is an arithmetic number, because the mean of its divisors is an integer number (71280588195).

Almost surely, 2^{2156925575112} is an apocalyptic number.

2156925575112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2156925575112 is an abundant number, since it is smaller than the sum of its proper divisors (4686010891608).

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

2156925575112 is a wasteful number, since it uses less digits than its factorization.

2156925575112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166738251 (or 166738240 counting only the distinct ones).

The product of its digits is 1890000, while the sum is 51.

The spelling of 2156925575112 in words is "two trillion, one hundred fifty-six billion, nine hundred twenty-five million, five hundred seventy-five thousand, one hundred twelve".