17113891104 has 72 divisors (see below), whose sum is σ = 50345846460. Its totient is φ = 5507916288.

The previous prime is 17113891063. The next prime is 17113891117. The reversal of 17113891104 is 40119831171.

17113891104 is a `hidden beast` number, since 171 + 1 + 389 + 1 + 104 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15173312400 + 1940578704 = 123180^2 + 44052^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1016187 + ... + 1032890.

Almost surely, 2^17113891104 is an apocalyptic number.

It is an amenable number.

17113891104 is an abundant number, since it is smaller than the sum of its proper divisors (33231955356).

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

17113891104 is a wasteful number, since it uses less digits than its factorization.

17113891104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2049122 (or 2049111 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 36.

The spelling of 17113891104 in words is "seventeen billion, one hundred thirteen million, eight hundred ninety-one thousand, one hundred four".