7312500081315 has 64 divisors (see below), whose sum is σ = 15272727482880. Its totient is φ = 3272727300480.

The previous prime is 7312500081283. The next prime is 7312500081329. The reversal of 7312500081315 is 5131800052137.

It is a happy number.

7312500081315 is a `hidden beast` number, since 7 + 3 + 12 + 500 + 0 + 8 + 131 + 5 = 666.

It is not a de Polignac number, because 7312500081315 - 2⁵ = 7312500081283 is a prime.

It is a super-3 number, since 3×7312500081315³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 7312500081315.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 189374637 + ... + 189413246.

It is an arithmetic number, because the mean of its divisors is an integer number (238636366920).

Almost surely, 2^{7312500081315} is an apocalyptic number.

7312500081315 is an abundant number, since it is smaller than the sum of its proper divisors (7960227401565).

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

7312500081315 is a wasteful number, since it uses less digits than its factorization.

7312500081315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378787921 (or 378787915 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 7312500081315 in words is "seven trillion, three hundred twelve billion, five hundred million, eighty-one thousand, three hundred fifteen".