17118820959 has 16 divisors (see below), whose sum is σ = 23639821920. Its totient is φ = 11006105600.

The previous prime is 17118820919. The next prime is 17118820993. The reversal of 17118820959 is 95902881171.

It is a cyclic number.

It is not a de Polignac number, because 17118820959 - 2⁸ = 17118820703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17118820919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40242 + ... + 189359.

It is an arithmetic number, because the mean of its divisors is an integer number (1477488870).

Almost surely, 2^17118820959 is an apocalyptic number.

17118820959 is a deficient number, since it is larger than the sum of its proper divisors (6521000961).

17118820959 is a wasteful number, since it uses less digits than its factorization.

17118820959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230490.

The product of its (nonzero) digits is 362880, while the sum is 51.

The spelling of 17118820959 in words is "seventeen billion, one hundred eighteen million, eight hundred twenty thousand, nine hundred fifty-nine".