56621633145512 has 16 divisors (see below), whose sum is σ = 106165807920000. Its totient is φ = 28310751033520.

The previous prime is 56621633145487. The next prime is 56621633145541. The reversal of 56621633145512 is 21554133612665.

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, 4418414 + ... + 11522397.

It is an arithmetic number, because the mean of its divisors is an integer number (6635362995000).

Almost surely, 2^{56621633145512} is an apocalyptic number.

It is an amenable number.

56621633145512 is a deficient number, since it is larger than the sum of its proper divisors (49544174774488).

56621633145512 is a wasteful number, since it uses less digits than its factorization.

56621633145512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16384816 (or 16384812 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 50.

The spelling of 56621633145512 in words is "fifty-six trillion, six hundred twenty-one billion, six hundred thirty-three million, one hundred forty-five thousand, five hundred twelve".