56318018976311 has 2 divisors, whose sum is σ = 56318018976312. Its totient is φ = 56318018976310.

The previous prime is 56318018976281. The next prime is 56318018976313. The reversal of 56318018976311 is 11367981081365.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56318018976311 - 2³⁸ = 56043141069367 is a prime.

It is a super-2 number, since 2×56318018976311² (a number of 28 digits) contains 22 as substring.

Together with 56318018976313, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56318018976313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28159009488155 + 28159009488156.

It is an arithmetic number, because the mean of its divisors is an integer number (28159009488156).

Almost surely, 2^{56318018976311} is an apocalyptic number.

56318018976311 is a deficient number, since it is larger than the sum of its proper divisors (1).

56318018976311 is an equidigital number, since it uses as much as digits as its factorization.

56318018976311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6531840, while the sum is 59.

The spelling of 56318018976311 in words is "fifty-six trillion, three hundred eighteen billion, eighteen million, nine hundred seventy-six thousand, three hundred eleven".