17122113918 has 48 divisors (see below), whose sum is σ = 45658974816. Its totient is φ = 4515721920.

The previous prime is 17122113881. The next prime is 17122113937. The reversal of 17122113918 is 81931122171.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 5224893 + ... + 5228168.

It is an arithmetic number, because the mean of its divisors is an integer number (951228642).

Almost surely, 2^17122113918 is an apocalyptic number.

17122113918 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

17122113918 is an abundant number, since it is smaller than the sum of its proper divisors (28536860898).

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

17122113918 is a wasteful number, since it uses less digits than its factorization.

17122113918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10453089 (or 10453086 counting only the distinct ones).

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

The spelling of 17122113918 in words is "seventeen billion, one hundred twenty-two million, one hundred thirteen thousand, nine hundred eighteen".