2156112882 has 48 divisors (see below), whose sum is σ = 5824308672. Its totient is φ = 560028960.

The previous prime is 2156112823. The next prime is 2156112901. The reversal of 2156112882 is 2882116512.

2156112882 is a `hidden beast` number, since 2 + 1 + 561 + 12 + 8 + 82 = 666.

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, 776433 + ... + 779204.

It is an arithmetic number, because the mean of its divisors is an integer number (121339764).

Almost surely, 2^2156112882 is an apocalyptic number.

2156112882 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2156112882 is an abundant number, since it is smaller than the sum of its proper divisors (3668195790).

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

2156112882 is a wasteful number, since it uses less digits than its factorization.

2156112882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555663 (or 1555660 counting only the distinct ones).

The product of its digits is 15360, while the sum is 36.

The square root of 2156112882 is about 46433.9625920511. The cubic root of 2156112882 is about 1291.8849278638.

It can be divided in two parts, 21561 and 12882, that added together give a palindrome (34443).

The spelling of 2156112882 in words is "two billion, one hundred fifty-six million, one hundred twelve thousand, eight hundred eighty-two".