311119750057 has 2 divisors, whose sum is σ = 311119750058. Its totient is φ = 311119750056.

The previous prime is 311119749979. The next prime is 311119750087. The reversal of 311119750057 is 750057911113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160625409961 + 150494340096 = 400781^2 + 387936^2 .

It is a cyclic number.

It is not a de Polignac number, because 311119750057 - 2²⁷ = 310985532329 is a prime.

It is not a weakly prime, because it can be changed into another prime (311119750087) 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, 155559875028 + 155559875029.

It is an arithmetic number, because the mean of its divisors is an integer number (155559875029).

Almost surely, 2^311119750057 is an apocalyptic number.

It is an amenable number.

311119750057 is a deficient number, since it is larger than the sum of its proper divisors (1).

311119750057 is an equidigital number, since it uses as much as digits as its factorization.

311119750057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33075, while the sum is 40.

The spelling of 311119750057 in words is "three hundred eleven billion, one hundred nineteen million, seven hundred fifty thousand, fifty-seven".