18499004042112 has 320 divisors, whose sum is σ = 60817782009600. Its totient is φ = 5534797132800.

The previous prime is 18499004042083. The next prime is 18499004042143. The reversal of 18499004042112 is 21124040099481.

18499004042112 is a `hidden beast` number, since 1 + 8 + 49 + 90 + 0 + 404 + 2 + 112 = 666.

It is a super-2 number, since 2×18499004042112² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7983187 + ... + 10036397.

It is an arithmetic number, because the mean of its divisors is an integer number (190055568780).

Almost surely, 2^{18499004042112} is an apocalyptic number.

18499004042112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18499004042112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30408891004800).

18499004042112 is an abundant number, since it is smaller than the sum of its proper divisors (42318777967488).

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

18499004042112 is a wasteful number, since it uses less digits than its factorization.

18499004042112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053327 (or 2053306 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 18499004042112 in words is "eighteen trillion, four hundred ninety-nine billion, four million, forty-two thousand, one hundred twelve".