56511056060639 has 8 divisors (see below), whose sum is σ = 56553510366000. Its totient is φ = 56468610006400.

The previous prime is 56511056060609. The next prime is 56511056060647. The reversal of 56511056060639 is 93606065011565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56511056060639 - 2²⁰ = 56511055012063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56511056060609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11674487 + ... + 15789735.

It is an arithmetic number, because the mean of its divisors is an integer number (7069188795750).

Almost surely, 2^{56511056060639} is an apocalyptic number.

56511056060639 is a deficient number, since it is larger than the sum of its proper divisors (42454305361).

56511056060639 is a wasteful number, since it uses less digits than its factorization.

56511056060639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4125561.

The product of its (nonzero) digits is 4374000, while the sum is 53.

The spelling of 56511056060639 in words is "fifty-six trillion, five hundred eleven billion, fifty-six million, sixty thousand, six hundred thirty-nine".