12515053010502 has 128 divisors (see below), whose sum is σ = 29316154982400. Its totient is φ = 3488184850176.

The previous prime is 12515053010489. The next prime is 12515053010503. The reversal of 12515053010502 is 20501035051521.

It is a self number, because there is not a number n which added to its sum of digits gives 12515053010502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12515053010503) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 149988298 + ... + 150071714.

It is an arithmetic number, because the mean of its divisors is an integer number (229032460800).

Almost surely, 2^{12515053010502} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12515053010502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14658077491200).

12515053010502 is an abundant number, since it is smaller than the sum of its proper divisors (16801101971898).

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

12515053010502 is a wasteful number, since it uses less digits than its factorization.

12515053010502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84050.

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 12515053010502 in words is "twelve trillion, five hundred fifteen billion, fifty-three million, ten thousand, five hundred two".