56611870072 has 16 divisors (see below), whose sum is σ = 106257040560. Its totient is φ = 28276659264.

The previous prime is 56611870061. The next prime is 56611870127. The reversal of 56611870072 is 27007811665.

56611870072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3651253 + ... + 3666724.

It is an arithmetic number, because the mean of its divisors is an integer number (6641065035).

Almost surely, 2^56611870072 is an apocalyptic number.

It is an amenable number.

56611870072 is a deficient number, since it is larger than the sum of its proper divisors (49645170488).

56611870072 is a wasteful number, since it uses less digits than its factorization.

56611870072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7318950 (or 7318946 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 43.

The spelling of 56611870072 in words is "fifty-six billion, six hundred eleven million, eight hundred seventy thousand, seventy-two".