13126330546625 has 16 divisors (see below), whose sum is σ = 16388382962640. Its totient is φ = 10496755180800.

The previous prime is 13126330546601. The next prime is 13126330546639. The reversal of 13126330546625 is 52664503362131.

13126330546625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 3858957722929 + 9267372823696 = 1964423^2 + 3044236^2 .

It is not a de Polignac number, because 13126330546625 - 2³⁸ = 12851452639681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13126330546625.

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, 21240440 + ... + 21849689.

It is an arithmetic number, because the mean of its divisors is an integer number (1024273935165).

Almost surely, 2^{13126330546625} is an apocalyptic number.

It is an amenable number.

13126330546625 is a deficient number, since it is larger than the sum of its proper divisors (3262052416015).

13126330546625 is an equidigital number, since it uses as much as digits as its factorization.

13126330546625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43092581 (or 43092571 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 47.

The spelling of 13126330546625 in words is "thirteen trillion, one hundred twenty-six billion, three hundred thirty million, five hundred forty-six thousand, six hundred twenty-five".