315516620525411 has 2 divisors, whose sum is σ = 315516620525412. Its totient is φ = 315516620525410.

The previous prime is 315516620525383. The next prime is 315516620525453. The reversal of 315516620525411 is 114525026615513.

It is a weak prime.

It is an emirp because it is prime and its reverse (114525026615513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 315516620525411 - 2²² = 315516616331107 is a prime.

It is not a weakly prime, because it can be changed into another prime (315516620525111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157758310262705 + 157758310262706.

It is an arithmetic number, because the mean of its divisors is an integer number (157758310262706).

Almost surely, 2^{315516620525411} is an apocalyptic number.

315516620525411 is a deficient number, since it is larger than the sum of its proper divisors (1).

315516620525411 is an equidigital number, since it uses as much as digits as its factorization.

315516620525411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080000, while the sum is 47.

The spelling of 315516620525411 in words is "three hundred fifteen trillion, five hundred sixteen billion, six hundred twenty million, five hundred twenty-five thousand, four hundred eleven".