56359680511 has 4 divisors (see below), whose sum is σ = 58303117800. Its totient is φ = 54416243224.

The previous prime is 56359680431. The next prime is 56359680527. The reversal of 56359680511 is 11508695365.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56359680511 - 2⁷ = 56359680383 is a prime.

It is a super-2 number, since 2×56359680511² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56359680581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 971718601 + ... + 971718658.

It is an arithmetic number, because the mean of its divisors is an integer number (14575779450).

Almost surely, 2^56359680511 is an apocalyptic number.

56359680511 is a deficient number, since it is larger than the sum of its proper divisors (1943437289).

56359680511 is a wasteful number, since it uses less digits than its factorization.

56359680511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1943437288.

The product of its (nonzero) digits is 972000, while the sum is 49.

The spelling of 56359680511 in words is "fifty-six billion, three hundred fifty-nine million, six hundred eighty thousand, five hundred eleven".