315605056515 has 16 divisors (see below), whose sum is σ = 577106389248. Its totient is φ = 144276597216.

The previous prime is 315605056489. The next prime is 315605056519. The reversal of 315605056515 is 515650506513.

It is a happy number.

It is not a de Polignac number, because 315605056515 - 2⁹ = 315605056003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (315605056519) 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, 1502881117 + ... + 1502881326.

It is an arithmetic number, because the mean of its divisors is an integer number (36069149328).

Almost surely, 2^315605056515 is an apocalyptic number.

315605056515 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

315605056515 is a deficient number, since it is larger than the sum of its proper divisors (261501332733).

315605056515 is a wasteful number, since it uses less digits than its factorization.

315605056515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005762458.

The product of its (nonzero) digits is 337500, while the sum is 42.

The spelling of 315605056515 in words is "three hundred fifteen billion, six hundred five million, fifty-six thousand, five hundred fifteen".