12513876387625 has 8 divisors (see below), whose sum is σ = 15617317731912. Its totient is φ = 10011101110000.

The previous prime is 12513876387613. The next prime is 12513876387641. The reversal of 12513876387625 is 52678367831521.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 29999625616 + 12483876762009 = 173204^2 + 3533253^2 .

It is not a de Polignac number, because 12513876387625 - 2⁹ = 12513876387113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50055505426 + ... + 50055505675.

It is an arithmetic number, because the mean of its divisors is an integer number (1952164716489).

Almost surely, 2^{12513876387625} is an apocalyptic number.

It is an amenable number.

12513876387625 is a deficient number, since it is larger than the sum of its proper divisors (3103441344287).

12513876387625 is an equidigital number, since it uses as much as digits as its factorization.

12513876387625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100111011116 (or 100111011106 counting only the distinct ones).

The product of its digits is 101606400, while the sum is 64.

The spelling of 12513876387625 in words is "twelve trillion, five hundred thirteen billion, eight hundred seventy-six million, three hundred eighty-seven thousand, six hundred twenty-five".