13172474370105 has 64 divisors (see below), whose sum is σ = 23814858263040. Its totient is φ = 6906800793600.

The previous prime is 13172474370101. The next prime is 13172474370113. The reversal of 13172474370105 is 50107347427131.

13172474370105 is a `hidden beast` number, since 1 + 3 + 1 + 7 + 2 + 474 + 3 + 70 + 105 = 666.

It is not a de Polignac number, because 13172474370105 - 2² = 13172474370101 is a prime.

It is a super-2 number, since 2×13172474370105² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (13172474370101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 915985 + ... + 5213825.

It is an arithmetic number, because the mean of its divisors is an integer number (372107160360).

Almost surely, 2^{13172474370105} is an apocalyptic number.

13172474370105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13172474370105 is a deficient number, since it is larger than the sum of its proper divisors (10642383892935).

13172474370105 is a wasteful number, since it uses less digits than its factorization.

13172474370105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4298239 (or 4298233 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The spelling of 13172474370105 in words is "thirteen trillion, one hundred seventy-two billion, four hundred seventy-four million, three hundred seventy thousand, one hundred five".