12626549725 has 12 divisors (see below), whose sum is σ = 15673589460. Its totient is φ = 10090486400.

The previous prime is 12626549699. The next prime is 12626549753. The reversal of 12626549725 is 52794562621.

It can be written as a sum of positive squares in 6 ways, for example, as 82101721 + 12544448004 = 9061^2 + 112002^2 .

It is not a de Polignac number, because 12626549725 - 2¹³ = 12626541533 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244840 + ... + 291889.

It is an arithmetic number, because the mean of its divisors is an integer number (1306132455).

Almost surely, 2^12626549725 is an apocalyptic number.

It is an amenable number.

12626549725 is a deficient number, since it is larger than the sum of its proper divisors (3047039735).

12626549725 is an equidigital number, since it uses as much as digits as its factorization.

12626549725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537680 (or 537675 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 49.

The spelling of 12626549725 in words is "twelve billion, six hundred twenty-six million, five hundred forty-nine thousand, seven hundred twenty-five".