12633602561225 has 24 divisors (see below), whose sum is σ = 15698751108480. Its totient is φ = 10085556528320.

The previous prime is 12633602561141. The next prime is 12633602561269. The reversal of 12633602561225 is 52216520633621.

It is not a de Polignac number, because 12633602561225 - 2²⁴ = 12633585784009 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26556506 + ... + 27028044.

It is an arithmetic number, because the mean of its divisors is an integer number (654114629520).

Almost surely, 2^{12633602561225} is an apocalyptic number.

It is an amenable number.

12633602561225 is a deficient number, since it is larger than the sum of its proper divisors (3065148547255).

12633602561225 is a wasteful number, since it uses less digits than its factorization.

12633602561225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473809 (or 473804 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 12633602561225 in words is "twelve trillion, six hundred thirty-three billion, six hundred two million, five hundred sixty-one thousand, two hundred twenty-five".