12626387525 has 6 divisors (see below), whose sum is σ = 15656720562. Its totient is φ = 10101110000.

The previous prime is 12626387503. The next prime is 12626387539. The reversal of 12626387525 is 52578362621.

It can be written as a sum of positive squares in 3 ways, for example, as 899880004 + 11726507521 = 29998^2 + 108289^2 .

It is not a de Polignac number, because 12626387525 - 2⁸ = 12626387269 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12626387525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 252527726 + ... + 252527775.

It is an arithmetic number, because the mean of its divisors is an integer number (2609453427).

Almost surely, 2^12626387525 is an apocalyptic number.

It is an amenable number.

12626387525 is a deficient number, since it is larger than the sum of its proper divisors (3030333037).

12626387525 is an equidigital number, since it uses as much as digits as its factorization.

12626387525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505055511 (or 505055506 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 47.

The spelling of 12626387525 in words is "twelve billion, six hundred twenty-six million, three hundred eighty-seven thousand, five hundred twenty-five".