13015165104172 has 48 divisors (see below), whose sum is σ = 28397174641920. Its totient is φ = 5070763051200.

The previous prime is 13015165104131. The next prime is 13015165104173. The reversal of 13015165104172 is 27140156151031.

It is a super-2 number, since 2×13015165104172² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13015165104173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21376522 + ... + 21976942.

It is an arithmetic number, because the mean of its divisors is an integer number (591607805040).

Almost surely, 2^{13015165104172} is an apocalyptic number.

It is an amenable number.

13015165104172 is an abundant number, since it is smaller than the sum of its proper divisors (15382009537748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13015165104172 is a wasteful number, since it uses less digits than its factorization.

13015165104172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670822 (or 670820 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 37.

The spelling of 13015165104172 in words is "thirteen trillion, fifteen billion, one hundred sixty-five million, one hundred four thousand, one hundred seventy-two".