13113155136225 has 12 divisors (see below), whose sum is σ = 21680416492016. Its totient is φ = 6993682739280.

The previous prime is 13113155136199. The next prime is 13113155136227. The reversal of 13113155136225 is 52263155131131.

It is not a de Polignac number, because 13113155136225 - 2¹⁸ = 13113154874081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13113155136227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87421034167 + ... + 87421034316.

Almost surely, 2^{13113155136225} is an apocalyptic number.

13113155136225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13113155136225 is a deficient number, since it is larger than the sum of its proper divisors (8567261355791).

13113155136225 is a wasteful number, since it uses less digits than its factorization.

13113155136225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174842068496 (or 174842068491 counting only the distinct ones).

The product of its digits is 81000, while the sum is 39.

The spelling of 13113155136225 in words is "thirteen trillion, one hundred thirteen billion, one hundred fifty-five million, one hundred thirty-six thousand, two hundred twenty-five".