11111100984 has 48 divisors (see below), whose sum is σ = 30127846320. Its totient is φ = 3699358080.

The previous prime is 11111100967. The next prime is 11111100989. The reversal of 11111100984 is 48900111111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111100989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28332 + ... + 151739.

It is an arithmetic number, because the mean of its divisors is an integer number (627663465).

Almost surely, 2^11111100984 is an apocalyptic number.

It is an amenable number.

11111100984 is an abundant number, since it is smaller than the sum of its proper divisors (19016745336).

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

11111100984 is a wasteful number, since it uses less digits than its factorization.

11111100984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180940 (or 180933 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 27.

The spelling of 11111100984 in words is "eleven billion, one hundred eleven million, one hundred thousand, nine hundred eighty-four".