56968918871 has 2 divisors, whose sum is σ = 56968918872. Its totient is φ = 56968918870.

The previous prime is 56968918861. The next prime is 56968918889. The reversal of 56968918871 is 17881986965.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56968918871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56968918861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28484459435 + 28484459436.

It is an arithmetic number, because the mean of its divisors is an integer number (28484459436).

Almost surely, 2^56968918871 is an apocalyptic number.

56968918871 is a deficient number, since it is larger than the sum of its proper divisors (1).

56968918871 is an equidigital number, since it uses as much as digits as its factorization.

56968918871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52254720, while the sum is 68.

The spelling of 56968918871 in words is "fifty-six billion, nine hundred sixty-eight million, nine hundred eighteen thousand, eight hundred seventy-one".