56267511907 has 2 divisors, whose sum is σ = 56267511908. Its totient is φ = 56267511906.

The previous prime is 56267511893. The next prime is 56267511977. The reversal of 56267511907 is 70911576265.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56267511907 is a prime.

It is not a weakly prime, because it can be changed into another prime (56267511977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28133755953 + 28133755954.

It is an arithmetic number, because the mean of its divisors is an integer number (28133755954).

Almost surely, 2^56267511907 is an apocalyptic number.

56267511907 is a deficient number, since it is larger than the sum of its proper divisors (1).

56267511907 is an equidigital number, since it uses as much as digits as its factorization.

56267511907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 793800, while the sum is 49.

The spelling of 56267511907 in words is "fifty-six billion, two hundred sixty-seven million, five hundred eleven thousand, nine hundred seven".