11112111984 has 40 divisors (see below), whose sum is σ = 28710063232. Its totient is φ = 3703550400.

The previous prime is 11112111937. The next prime is 11112112001. The reversal of 11112111984 is 48911121111.

It is a congruent number.

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, 711459 + ... + 726909.

Almost surely, 2^11112111984 is an apocalyptic number.

It is an amenable number.

11112111984 is an abundant number, since it is smaller than the sum of its proper divisors (17597951248).

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

11112111984 is a wasteful number, since it uses less digits than its factorization.

11112111984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30445 (or 30439 counting only the distinct ones).

The product of its digits is 576, while the sum is 30.

The spelling of 11112111984 in words is "eleven billion, one hundred twelve million, one hundred eleven thousand, nine hundred eighty-four".