56031265361 has 2 divisors, whose sum is σ = 56031265362. Its totient is φ = 56031265360.

The previous prime is 56031265337. The next prime is 56031265439. The reversal of 56031265361 is 16356213065.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51722130625 + 4309134736 = 227425^2 + 65644^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56031265361 is a prime.

It is not a weakly prime, because it can be changed into another prime (56031265261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28015632680 + 28015632681.

It is an arithmetic number, because the mean of its divisors is an integer number (28015632681).

Almost surely, 2^56031265361 is an apocalyptic number.

It is an amenable number.

56031265361 is a deficient number, since it is larger than the sum of its proper divisors (1).

56031265361 is an equidigital number, since it uses as much as digits as its factorization.

56031265361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 38.

The spelling of 56031265361 in words is "fifty-six billion, thirty-one million, two hundred sixty-five thousand, three hundred sixty-one".