315897070507 has 2 divisors, whose sum is σ = 315897070508. Its totient is φ = 315897070506.

The previous prime is 315897070501. The next prime is 315897070603. The reversal of 315897070507 is 705070798513.

It is a weak prime.

It is an emirp because it is prime and its reverse (705070798513) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315897070507 is a prime.

It is not a weakly prime, because it can be changed into another prime (315897070501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157948535253 + 157948535254.

It is an arithmetic number, because the mean of its divisors is an integer number (157948535254).

Almost surely, 2^315897070507 is an apocalyptic number.

315897070507 is a deficient number, since it is larger than the sum of its proper divisors (1).

315897070507 is an equidigital number, since it uses as much as digits as its factorization.

315897070507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1852200, while the sum is 52.

The spelling of 315897070507 in words is "three hundred fifteen billion, eight hundred ninety-seven million, seventy thousand, five hundred seven".