315567556516 has 27 divisors (see below), whose sum is σ = 582877845291. Its totient is φ = 149469257304.

The previous prime is 315567556501. The next prime is 315567556519. The reversal of 315567556516 is 615655765513.

It is a happy number.

The square root of 315567556516 is 561754.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315567556519) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 21339261 + ... + 21354043.

Almost surely, 2^315567556516 is an apocalyptic number.

315567556516 is the 561754-th square number.

It is an amenable number.

315567556516 is a deficient number, since it is larger than the sum of its proper divisors (267310288775).

315567556516 is an frugal number, since it uses more digits than its factorization.

315567556516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29608 (or 14804 counting only the distinct ones).

The product of its digits is 14175000, while the sum is 55.

The spelling of 315567556516 in words is "three hundred fifteen billion, five hundred sixty-seven million, five hundred fifty-six thousand, five hundred sixteen".