13563623100625 has 80 divisors (see below), whose sum is σ = 19203443593488. Its totient is φ = 9507801600000.

The previous prime is 13563623100619. The next prime is 13563623100679. The reversal of 13563623100625 is 52600132636531.

13563623100625 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 40 ways, for example, as 7713823000129 + 5849800100496 = 2777377^2 + 2418636^2 .

It is not a de Polignac number, because 13563623100625 - 2³ = 13563623100617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 11775405 + ... + 12875845.

Almost surely, 2^{13563623100625} is an apocalyptic number.

It is an amenable number.

13563623100625 is a deficient number, since it is larger than the sum of its proper divisors (5639820492863).

13563623100625 is a wasteful number, since it uses less digits than its factorization.

13563623100625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100552 (or 1100537 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 43.

The spelling of 13563623100625 in words is "thirteen trillion, five hundred sixty-three billion, six hundred twenty-three million, one hundred thousand, six hundred twenty-five".