315225695618 has 16 divisors (see below), whose sum is σ = 482964975360. Its totient is φ = 154238287776.

The previous prime is 315225695593. The next prime is 315225695623. The reversal of 315225695618 is 816596522513.

It is a self number, because there is not a number n which added to its sum of digits gives 315225695618.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 473123 + ... + 924281.

It is an arithmetic number, because the mean of its divisors is an integer number (30185310960).

Almost surely, 2^315225695618 is an apocalyptic number.

315225695618 is a deficient number, since it is larger than the sum of its proper divisors (167739279742).

315225695618 is a wasteful number, since it uses less digits than its factorization.

315225695618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458641.

The product of its digits is 3888000, while the sum is 53.

The spelling of 315225695618 in words is "three hundred fifteen billion, two hundred twenty-five million, six hundred ninety-five thousand, six hundred eighteen".