18582475107112 has 32 divisors (see below), whose sum is σ = 39828309045120. Its totient is φ = 7962173997120.

The previous prime is 18582475107071. The next prime is 18582475107167. The reversal of 18582475107112 is 21170157428581.

It is a super-2 number, since 2×18582475107112² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18582475107112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36073339 + ... + 36584842.

It is an arithmetic number, because the mean of its divisors is an integer number (1244634657660).

Almost surely, 2^{18582475107112} is an apocalyptic number.

It is an amenable number.

18582475107112 is an abundant number, since it is smaller than the sum of its proper divisors (21245833938008).

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

18582475107112 is a wasteful number, since it uses less digits than its factorization.

18582475107112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72662761 (or 72662757 counting only the distinct ones).

The product of its (nonzero) digits is 1254400, while the sum is 52.

The spelling of 18582475107112 in words is "eighteen trillion, five hundred eighty-two billion, four hundred seventy-five million, one hundred seven thousand, one hundred twelve".