13172765641452 has 36 divisors (see below), whose sum is σ = 33305255559576. Its totient is φ = 4389941928960.

The previous prime is 13172765641393. The next prime is 13172765641549. The reversal of 13172765641452 is 25414656727131.

13172765641452 is a `hidden beast` number, since 1 + 3 + 1 + 7 + 2 + 76 + 564 + 1 + 4 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40667758 + ... + 40990389.

It is an arithmetic number, because the mean of its divisors is an integer number (925145987766).

Almost surely, 2^{13172765641452} is an apocalyptic number.

13172765641452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13172765641452 is an abundant number, since it is smaller than the sum of its proper divisors (20132489918124).

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

13172765641452 is a wasteful number, since it uses less digits than its factorization.

13172765641452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81662638 (or 81662633 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 54.

The spelling of 13172765641452 in words is "thirteen trillion, one hundred seventy-two billion, seven hundred sixty-five million, six hundred forty-one thousand, four hundred fifty-two".