315551252517983 has 2 divisors, whose sum is σ = 315551252517984. Its totient is φ = 315551252517982.

The previous prime is 315551252517959. The next prime is 315551252517989. The reversal of 315551252517983 is 389715252155513.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315551252517983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315551252517989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157775626258991 + 157775626258992.

It is an arithmetic number, because the mean of its divisors is an integer number (157775626258992).

Almost surely, 2^{315551252517983} is an apocalyptic number.

315551252517983 is a deficient number, since it is larger than the sum of its proper divisors (1).

315551252517983 is an equidigital number, since it uses as much as digits as its factorization.

315551252517983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56700000, while the sum is 62.

The spelling of 315551252517983 in words is "three hundred fifteen trillion, five hundred fifty-one billion, two hundred fifty-two million, five hundred seventeen thousand, nine hundred eighty-three".