2315025514564 has 24 divisors (see below), whose sum is σ = 4728562755840. Its totient is φ = 971044136256.

The previous prime is 2315025514561. The next prime is 2315025514579. The reversal of 2315025514564 is 4654155205132.

It is a super-2 number, since 2×2315025514564² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2315025514564.

It is not an unprimeable number, because it can be changed into a prime (2315025514561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 879567649 + ... + 879570280.

It is an arithmetic number, because the mean of its divisors is an integer number (197023448160).

Almost surely, 2^{2315025514564} is an apocalyptic number.

It is an amenable number.

2315025514564 is an abundant number, since it is smaller than the sum of its proper divisors (2413537241276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2315025514564 is a wasteful number, since it uses less digits than its factorization.

2315025514564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759137987 (or 1759137985 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 43.

The spelling of 2315025514564 in words is "two trillion, three hundred fifteen billion, twenty-five million, five hundred fourteen thousand, five hundred sixty-four".