13155315025329 has 20 divisors (see below), whose sum is σ = 19738338577584. Its totient is φ = 8731574718264.

The previous prime is 13155315025319. The next prime is 13155315025331. The reversal of 13155315025329 is 92352051355131.

It is a happy number.

13155315025329 is a `hidden beast` number, since 1 + 3 + 1 + 5 + 5 + 315 + 0 + 2 + 5 + 329 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-13155315025329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13155315025319) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 357715747 + ... + 357752520.

Almost surely, 2^{13155315025329} is an apocalyptic number.

It is an amenable number.

13155315025329 is a deficient number, since it is larger than the sum of its proper divisors (6583023552255).

13155315025329 is an equidigital number, since it uses as much as digits as its factorization.

13155315025329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715468506 (or 715468497 counting only the distinct ones).

The product of its (nonzero) digits is 607500, while the sum is 45.

The spelling of 13155315025329 in words is "thirteen trillion, one hundred fifty-five billion, three hundred fifteen million, twenty-five thousand, three hundred twenty-nine".