56564034105311 has 2 divisors, whose sum is σ = 56564034105312. Its totient is φ = 56564034105310.

The previous prime is 56564034105307. The next prime is 56564034105329. The reversal of 56564034105311 is 11350143046565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56564034105311 - 2² = 56564034105307 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56564034135311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28282017052655 + 28282017052656.

It is an arithmetic number, because the mean of its divisors is an integer number (28282017052656).

Almost surely, 2^{56564034105311} is an apocalyptic number.

56564034105311 is a deficient number, since it is larger than the sum of its proper divisors (1).

56564034105311 is an equidigital number, since it uses as much as digits as its factorization.

56564034105311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 56564034105311 in words is "fifty-six trillion, five hundred sixty-four billion, thirty-four million, one hundred five thousand, three hundred eleven".