315860334985 has 24 divisors (see below), whose sum is σ = 434574587160. Its totient is φ = 219530068992.

The previous prime is 315860334971. The next prime is 315860334997. The reversal of 315860334985 is 589433068513.

It can be written as a sum of positive squares in 12 ways, for example, as 60050972809 + 255809362176 = 245053^2 + 505776^2 .

It is a de Polignac number, because none of the positive numbers 2^k-315860334985 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10979730 + ... + 11008459.

It is an arithmetic number, because the mean of its divisors is an integer number (18107274465).

Almost surely, 2^315860334985 is an apocalyptic number.

It is an amenable number.

315860334985 is a deficient number, since it is larger than the sum of its proper divisors (118714252175).

315860334985 is a wasteful number, since it uses less digits than its factorization.

315860334985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21988237 (or 21988224 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 55.

The spelling of 315860334985 in words is "three hundred fifteen billion, eight hundred sixty million, three hundred thirty-four thousand, nine hundred eighty-five".