201112115994 has 48 divisors (see below), whose sum is σ = 442191260160. Its totient is φ = 66046649760.

The previous prime is 201112115987. The next prime is 201112116061. The reversal of 201112115994 is 499511211102.

It is a super-2 number, since 2×201112115994² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1784364 + ... + 1893720.

It is an arithmetic number, because the mean of its divisors is an integer number (9212317920).

Almost surely, 2^201112115994 is an apocalyptic number.

201112115994 is an abundant number, since it is smaller than the sum of its proper divisors (241079144166).

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

201112115994 is a wasteful number, since it uses less digits than its factorization.

201112115994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110875 (or 110872 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 36.

The spelling of 201112115994 in words is "two hundred one billion, one hundred twelve million, one hundred fifteen thousand, nine hundred ninety-four".