12513255578087 has 16 divisors (see below), whose sum is σ = 13772195856384. Its totient is φ = 11274724692000.

The previous prime is 12513255578059. The next prime is 12513255578099. The reversal of 12513255578087 is 78087555231521.

It is not a de Polignac number, because 12513255578087 - 2¹² = 12513255573991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12513255578987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3134864 + ... + 5903717.

It is an arithmetic number, because the mean of its divisors is an integer number (860762241024).

Almost surely, 2^{12513255578087} is an apocalyptic number.

12513255578087 is a deficient number, since it is larger than the sum of its proper divisors (1258940278297).

12513255578087 is a wasteful number, since it uses less digits than its factorization.

12513255578087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9039710.

The product of its (nonzero) digits is 23520000, while the sum is 59.

The spelling of 12513255578087 in words is "twelve trillion, five hundred thirteen billion, two hundred fifty-five million, five hundred seventy-eight thousand, eighty-seven".