315551114646515 has 16 divisors (see below), whose sum is σ = 423160341772896. Its totient is φ = 223894360723200.

The previous prime is 315551114646497. The next prime is 315551114646517. The reversal of 315551114646515 is 515646411155513.

It is not a de Polignac number, because 315551114646515 - 2¹² = 315551114642419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315551114646517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69966985472 + ... + 69966989981.

It is an arithmetic number, because the mean of its divisors is an integer number (26447521360806).

Almost surely, 2^{315551114646515} is an apocalyptic number.

315551114646515 is a deficient number, since it is larger than the sum of its proper divisors (107609227126381).

315551114646515 is a wasteful number, since it uses less digits than its factorization.

315551114646515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139933975510.

The product of its digits is 5400000, while the sum is 53.

The spelling of 315551114646515 in words is "three hundred fifteen trillion, five hundred fifty-one billion, one hundred fourteen million, six hundred forty-six thousand, five hundred fifteen".