56151570312 has 96 divisors (see below), whose sum is σ = 152935150680. Its totient is φ = 18611819520.

The previous prime is 56151570227. The next prime is 56151570341. The reversal of 56151570312 is 21307515165.

It is a happy number.

56151570312 is a `hidden beast` number, since 5 + 6 + 1 + 51 + 570 + 31 + 2 = 666.

56151570312 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 4 ways, for example, as 32575196196 + 23576374116 = 180486^2 + 153546^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 15784438 + ... + 15787994.

Almost surely, 2^56151570312 is an apocalyptic number.

It is an amenable number.

56151570312 is an abundant number, since it is smaller than the sum of its proper divisors (96783580368).

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

56151570312 is a wasteful number, since it uses less digits than its factorization.

56151570312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4743 (or 4736 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The spelling of 56151570312 in words is "fifty-six billion, one hundred fifty-one million, five hundred seventy thousand, three hundred twelve".