315215242499 has 16 divisors (see below), whose sum is σ = 342550656000. Its totient is φ = 288956691360.

The previous prime is 315215242493. The next prime is 315215242501. The reversal of 315215242499 is 994242512513.

It is a cyclic number.

It is not a de Polignac number, because 315215242499 - 2⁴ = 315215242483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315215242493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5643692 + ... + 5699270.

It is an arithmetic number, because the mean of its divisors is an integer number (21409416000).

Almost surely, 2^315215242499 is an apocalyptic number.

315215242499 is a deficient number, since it is larger than the sum of its proper divisors (27335413501).

315215242499 is a wasteful number, since it uses less digits than its factorization.

315215242499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65258.

The product of its digits is 777600, while the sum is 47.

The spelling of 315215242499 in words is "three hundred fifteen billion, two hundred fifteen million, two hundred forty-two thousand, four hundred ninety-nine".