13126256382625 has 16 divisors (see below), whose sum is σ = 16381673120592. Its totient is φ = 10500937699200.

The previous prime is 13126256382593. The next prime is 13126256382661. The reversal of 13126256382625 is 52628365262131.

It can be written as a sum of positive squares in 8 ways, for example, as 8080738616896 + 5045517765729 = 2842664^2 + 2246223^2 .

It is not a de Polignac number, because 13126256382625 - 2⁵ = 13126256382593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30334287 + ... + 30763963.

It is an arithmetic number, because the mean of its divisors is an integer number (1023854570037).

Almost surely, 2^{13126256382625} is an apocalyptic number.

It is an amenable number.

13126256382625 is a deficient number, since it is larger than the sum of its proper divisors (3255416737967).

13126256382625 is an equidigital number, since it uses as much as digits as its factorization.

13126256382625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674085 (or 674075 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 52.

The spelling of 13126256382625 in words is "thirteen trillion, one hundred twenty-six billion, two hundred fifty-six million, three hundred eighty-two thousand, six hundred twenty-five".