13108907805405 has 32 divisors (see below), whose sum is σ = 21019973869440. Its totient is φ = 6976190545920.

The previous prime is 13108907805337. The next prime is 13108907805421. The reversal of 13108907805405 is 50450870980131.

It is not a de Polignac number, because 13108907805405 - 2¹⁵ = 13108907772637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15145629 + ... + 15987741.

It is an arithmetic number, because the mean of its divisors is an integer number (656874183420).

Almost surely, 2^{13108907805405} is an apocalyptic number.

13108907805405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13108907805405 is a deficient number, since it is larger than the sum of its proper divisors (7911066064035).

13108907805405 is a wasteful number, since it uses less digits than its factorization.

13108907805405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844381.

The product of its (nonzero) digits is 1209600, while the sum is 51.

The spelling of 13108907805405 in words is "thirteen trillion, one hundred eight billion, nine hundred seven million, eight hundred five thousand, four hundred five".