315252532515 has 16 divisors (see below), whose sum is σ = 504411897600. Its totient is φ = 168132068832.

The previous prime is 315252532499. The next prime is 315252532531. The reversal of 315252532515 is 515235252513.

It is an interprime number because it is at equal distance from previous prime (315252532499) and next prime (315252532531).

It is not a de Polignac number, because 315252532515 - 2⁴ = 315252532499 is a prime.

It is a super-4 number, since 4×315252532515⁴ (a number of 47 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1199916 + ... + 1438854.

It is an arithmetic number, because the mean of its divisors is an integer number (31525743600).

Almost surely, 2^315252532515 is an apocalyptic number.

315252532515 is a deficient number, since it is larger than the sum of its proper divisors (189159365085).

315252532515 is a wasteful number, since it uses less digits than its factorization.

315252532515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326906.

The product of its digits is 225000, while the sum is 39.

The spelling of 315252532515 in words is "three hundred fifteen billion, two hundred fifty-two million, five hundred thirty-two thousand, five hundred fifteen".