56815081168 has 10 divisors (see below), whose sum is σ = 110079219794. Its totient is φ = 28407540576.

The previous prime is 56815081129. The next prime is 56815081171. The reversal of 56815081168 is 86118051865.

56815081168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 55624279104 + 1190802064 = 235848^2 + 34508^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1775471271 + ... + 1775471302.

Almost surely, 2^56815081168 is an apocalyptic number.

It is an amenable number.

56815081168 is a deficient number, since it is larger than the sum of its proper divisors (53264138626).

56815081168 is a wasteful number, since it uses less digits than its factorization.

56815081168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3550942581 (or 3550942575 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 49.

The spelling of 56815081168 in words is "fifty-six billion, eight hundred fifteen million, eighty-one thousand, one hundred sixty-eight".