17113538856 has 64 divisors (see below), whose sum is σ = 43799143680. Its totient is φ = 5569724160.

The previous prime is 17113538843. The next prime is 17113538857. The reversal of 17113538856 is 65883531171.

17113538856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (17113538857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456870 + ... + 492906.

It is an arithmetic number, because the mean of its divisors is an integer number (684361620).

Almost surely, 2^17113538856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 17113538856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21899571840).

17113538856 is an abundant number, since it is smaller than the sum of its proper divisors (26685604824).

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

17113538856 is a wasteful number, since it uses less digits than its factorization.

17113538856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36514 (or 36510 counting only the distinct ones).

The product of its digits is 604800, while the sum is 48.

The spelling of 17113538856 in words is "seventeen billion, one hundred thirteen million, five hundred thirty-eight thousand, eight hundred fifty-six".