56715061211 has 2 divisors, whose sum is σ = 56715061212. Its totient is φ = 56715061210.

The previous prime is 56715061189. The next prime is 56715061223. The reversal of 56715061211 is 11216051765.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56715061211 is a prime.

It is not a weakly prime, because it can be changed into another prime (56715061111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28357530605 + 28357530606.

It is an arithmetic number, because the mean of its divisors is an integer number (28357530606).

Almost surely, 2^56715061211 is an apocalyptic number.

56715061211 is a deficient number, since it is larger than the sum of its proper divisors (1).

56715061211 is an equidigital number, since it uses as much as digits as its factorization.

56715061211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 35.

The spelling of 56715061211 in words is "fifty-six billion, seven hundred fifteen million, sixty-one thousand, two hundred eleven".