13154532616225 has 96 divisors (see below), whose sum is σ = 22004721607680. Its totient is φ = 7533564192000.

The previous prime is 13154532616223. The next prime is 13154532616319. The reversal of 13154532616225 is 52261623545131.

It is not a de Polignac number, because 13154532616225 - 2¹ = 13154532616223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13154532616223) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4034646 + ... + 6525904.

It is an arithmetic number, because the mean of its divisors is an integer number (229215850080).

Almost surely, 2^{13154532616225} is an apocalyptic number.

It is an amenable number.

13154532616225 is a deficient number, since it is larger than the sum of its proper divisors (8850188991455).

13154532616225 is a wasteful number, since it uses less digits than its factorization.

13154532616225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2491511 (or 2491506 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 46.

The spelling of 13154532616225 in words is "thirteen trillion, one hundred fifty-four billion, five hundred thirty-two million, six hundred sixteen thousand, two hundred twenty-five".