56580433811 has 24 divisors (see below), whose sum is σ = 65831169600. Its totient is φ = 48456975600.

The previous prime is 56580433771. The next prime is 56580433873. The reversal of 56580433811 is 11833408565.

It is a de Polignac number, because none of the positive numbers 2^k-56580433811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56580433111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 342776 + ... + 480266.

It is an arithmetic number, because the mean of its divisors is an integer number (2742965400).

Almost surely, 2^56580433811 is an apocalyptic number.

56580433811 is a deficient number, since it is larger than the sum of its proper divisors (9250735789).

56580433811 is a wasteful number, since it uses less digits than its factorization.

56580433811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137711 (or 137700 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 56580433811 in words is "fifty-six billion, five hundred eighty million, four hundred thirty-three thousand, eight hundred eleven".