56155115552 has 24 divisors (see below), whose sum is σ = 110572990416. Its totient is φ = 28073086272.

The previous prime is 56155115537. The next prime is 56155115563. The reversal of 56155115552 is 25551155165.

It is a happy 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, 69143 + ... + 342185.

It is an arithmetic number, because the mean of its divisors is an integer number (4607207934).

Almost surely, 2^56155115552 is an apocalyptic number.

It is an amenable number.

56155115552 is a deficient number, since it is larger than the sum of its proper divisors (54417874864).

56155115552 is a wasteful number, since it uses less digits than its factorization.

56155115552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279480 (or 279472 counting only the distinct ones).

The product of its digits is 187500, while the sum is 41.

The spelling of 56155115552 in words is "fifty-six billion, one hundred fifty-five million, one hundred fifteen thousand, five hundred fifty-two".