56580112777 has 4 divisors (see below), whose sum is σ = 56580818436. Its totient is φ = 56579407120.

The previous prime is 56580112763. The next prime is 56580112859. The reversal of 56580112777 is 77721108565.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10655194176 + 45924918601 = 103224^2 + 214301^2 .

It is a cyclic number.

It is not a de Polignac number, because 56580112777 - 2⁷ = 56580112649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56580112777.

It is not an unprimeable number, because it can be changed into a prime (56580112747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214474 + ... + 398947.

It is an arithmetic number, because the mean of its divisors is an integer number (14145204609).

Almost surely, 2^56580112777 is an apocalyptic number.

It is an amenable number.

56580112777 is a deficient number, since it is larger than the sum of its proper divisors (705659).

56580112777 is an equidigital number, since it uses as much as digits as its factorization.

56580112777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705658.

The product of its (nonzero) digits is 823200, while the sum is 49.

The spelling of 56580112777 in words is "fifty-six billion, five hundred eighty million, one hundred twelve thousand, seven hundred seventy-seven".