56856813112 has 32 divisors (see below), whose sum is σ = 122418979200. Its totient is φ = 24483794400.

The previous prime is 56856813109. The next prime is 56856813121. The reversal of 56856813112 is 21131865865.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17000964 + ... + 17004307.

It is an arithmetic number, because the mean of its divisors is an integer number (3825593100).

Almost surely, 2^56856813112 is an apocalyptic number.

It is an amenable number.

56856813112 is an abundant number, since it is smaller than the sum of its proper divisors (65562166088).

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

56856813112 is a wasteful number, since it uses less digits than its factorization.

56856813112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34005307 (or 34005303 counting only the distinct ones).

The product of its digits is 345600, while the sum is 46.

It can be divided in two parts, 56856 and 813112, that added together give a palindrome (869968).

The spelling of 56856813112 in words is "fifty-six billion, eight hundred fifty-six million, eight hundred thirteen thousand, one hundred twelve".