56511056060655 has 32 divisors (see below), whose sum is σ = 103334784943104. Its totient is φ = 25833555019776.

The previous prime is 56511056060647. The next prime is 56511056060699. The reversal of 56511056060655 is 55606065011565.

It is not a de Polignac number, because 56511056060655 - 2³ = 56511056060647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56511056060598 and 56511056060607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71317519 + ... + 72105551.

It is an arithmetic number, because the mean of its divisors is an integer number (3229212029472).

Almost surely, 2^{56511056060655} is an apocalyptic number.

56511056060655 is a deficient number, since it is larger than the sum of its proper divisors (46823728882449).

56511056060655 is a wasteful number, since it uses less digits than its factorization.

56511056060655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471015.

The product of its (nonzero) digits is 4050000, while the sum is 51.

The spelling of 56511056060655 in words is "fifty-six trillion, five hundred eleven billion, fifty-six million, sixty thousand, six hundred fifty-five".