18120119104 has 56 divisors (see below), whose sum is σ = 36435913920. Its totient is φ = 8939695104.

The previous prime is 18120119093. The next prime is 18120119107. The reversal of 18120119104 is 40191102181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18120119107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5645052 + ... + 5648260.

It is an arithmetic number, because the mean of its divisors is an integer number (650641320).

Almost surely, 2^18120119104 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 18120119104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18217956960).

18120119104 is an abundant number, since it is smaller than the sum of its proper divisors (18315794816).

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

18120119104 is a wasteful number, since it uses less digits than its factorization.

18120119104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4367 (or 4357 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 28.

The spelling of 18120119104 in words is "eighteen billion, one hundred twenty million, one hundred nineteen thousand, one hundred four".