12515277500264 has 96 divisors (see below), whose sum is σ = 29804029976160. Its totient is φ = 4871972246400.

The previous prime is 12515277500239. The next prime is 12515277500273. The reversal of 12515277500264 is 46200577251521.

It is a happy number.

It is a super-2 number, since 2×12515277500264² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3895754 + ... + 6340934.

It is an arithmetic number, because the mean of its divisors is an integer number (310458645585).

Almost surely, 2^{12515277500264} is an apocalyptic number.

12515277500264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12515277500264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14902014988080).

12515277500264 is an abundant number, since it is smaller than the sum of its proper divisors (17288752475896).

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

12515277500264 is a wasteful number, since it uses less digits than its factorization.

12515277500264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446399 (or 2446388 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 47.

The spelling of 12515277500264 in words is "twelve trillion, five hundred fifteen billion, two hundred seventy-seven million, five hundred thousand, two hundred sixty-four".