56015567516 has 24 divisors (see below), whose sum is σ = 103215606480. Its totient is φ = 26526223872.

The previous prime is 56015567471. The next prime is 56015567537. The reversal of 56015567516 is 61576551065.

56015567516 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 7 ways as a sum of consecutive naturals, for example, 173006 + ... + 376778.

It is an arithmetic number, because the mean of its divisors is an integer number (4300650270).

Almost surely, 2^56015567516 is an apocalyptic number.

It is an amenable number.

56015567516 is a deficient number, since it is larger than the sum of its proper divisors (47200038964).

56015567516 is a wasteful number, since it uses less digits than its factorization.

56015567516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207413 (or 207411 counting only the distinct ones).

The product of its (nonzero) digits is 945000, while the sum is 47.

The spelling of 56015567516 in words is "fifty-six billion, fifteen million, five hundred sixty-seven thousand, five hundred sixteen".