12515252512514 has 16 divisors (see below), whose sum is σ = 19420475484600. Its totient is φ = 6041766374784.

The previous prime is 12515252512493. The next prime is 12515252512517. The reversal of 12515252512514 is 41521525251521.

12515252512514 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10867353985489 + 1647898527025 = 3296567^2 + 1283705^2 .

It is not an unprimeable number, because it can be changed into a prime (12515252512517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3139052 + ... + 5906280.

Almost surely, 2^{12515252512514} is an apocalyptic number.

12515252512514 is a deficient number, since it is larger than the sum of its proper divisors (6905222972086).

12515252512514 is a wasteful number, since it uses less digits than its factorization.

12515252512514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2845237.

The product of its digits is 200000, while the sum is 41.

The spelling of 12515252512514 in words is "twelve trillion, five hundred fifteen billion, two hundred fifty-two million, five hundred twelve thousand, five hundred fourteen".