13230644661225 has 72 divisors (see below), whose sum is σ = 23750538594432. Its totient is φ = 7040572358400.

The previous prime is 13230644661217. The next prime is 13230644661229. The reversal of 13230644661225 is 52216644603231.

13230644661225 is a `hidden beast` number, since 1 + 3 + 2 + 3 + 0 + 6 + 4 + 4 + 6 + 612 + 25 = 666.

It is not a de Polignac number, because 13230644661225 - 2³ = 13230644661217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (13230644661229) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1173652189 + ... + 1173663461.

Almost surely, 2^{13230644661225} is an apocalyptic number.

13230644661225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13230644661225 is a deficient number, since it is larger than the sum of its proper divisors (10519893933207).

13230644661225 is a wasteful number, since it uses less digits than its factorization.

13230644661225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22487 (or 22479 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 13230644661225 in words is "thirteen trillion, two hundred thirty billion, six hundred forty-four million, six hundred sixty-one thousand, two hundred twenty-five".