315165561513 has 16 divisors (see below), whose sum is σ = 470812437696. Its totient is φ = 185847013440.

The previous prime is 315165561497. The next prime is 315165561521.

315165561513 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 315165561513 - 2⁴ = 315165561497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (315165561533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129059206 + ... + 129061647.

It is an arithmetic number, because the mean of its divisors is an integer number (29425777356).

Almost surely, 2^315165561513 is an apocalyptic number.

315165561513 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

315165561513 is a deficient number, since it is larger than the sum of its proper divisors (155646876183).

315165561513 is a wasteful number, since it uses less digits than its factorization.

315165561513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258120904.

The product of its digits is 202500, while the sum is 42.

It can be divided in two parts, 315165 and 561513, that added together give a palindrome (876678).

The spelling of 315165561513 in words is "three hundred fifteen billion, one hundred sixty-five million, five hundred sixty-one thousand, five hundred thirteen".