56712287451261 has 32 divisors (see below), whose sum is σ = 84305519544960. Its totient is φ = 33670643053824.

The previous prime is 56712287451227. The next prime is 56712287451293. The reversal of 56712287451261 is 16215478221765.

It is not a de Polignac number, because 56712287451261 - 2⁷ = 56712287451133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56712287451761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17704450 + ... + 20660883.

It is an arithmetic number, because the mean of its divisors is an integer number (2634547485780).

Almost surely, 2^{56712287451261} is an apocalyptic number.

It is an amenable number.

56712287451261 is a deficient number, since it is larger than the sum of its proper divisors (27593232093699).

56712287451261 is a wasteful number, since it uses less digits than its factorization.

56712287451261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38366685.

The product of its digits is 11289600, while the sum is 57.

The spelling of 56712287451261 in words is "fifty-six trillion, seven hundred twelve billion, two hundred eighty-seven million, four hundred fifty-one thousand, two hundred sixty-one".