18017356112 has 40 divisors (see below), whose sum is σ = 39914088192. Its totient is φ = 7718140800.

The previous prime is 18017356099. The next prime is 18017356117. The reversal of 18017356112 is 21165371081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18017356117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212537 + ... + 284967.

Almost surely, 2^18017356112 is an apocalyptic number.

It is an amenable number.

18017356112 is an abundant number, since it is smaller than the sum of its proper divisors (21896732080).

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

18017356112 is a wasteful number, since it uses less digits than its factorization.

18017356112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74667 (or 74661 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 35.

The spelling of 18017356112 in words is "eighteen billion, seventeen million, three hundred fifty-six thousand, one hundred twelve".