18110118492 has 36 divisors (see below), whose sum is σ = 46461620296. Its totient is φ = 5946605280.

The previous prime is 18110118469. The next prime is 18110118539. The reversal of 18110118492 is 29481101181.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3751759 + ... + 3756582.

Almost surely, 2^18110118492 is an apocalyptic number.

18110118492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18110118492 is an abundant number, since it is smaller than the sum of its proper divisors (28351501804).

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

18110118492 is a wasteful number, since it uses less digits than its factorization.

18110118492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7508418 (or 7508413 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 36.

The spelling of 18110118492 in words is "eighteen billion, one hundred ten million, one hundred eighteen thousand, four hundred ninety-two".