11111000984 has 32 divisors (see below), whose sum is σ = 21743951040. Its totient is φ = 5317728000.

The previous prime is 11111000983. The next prime is 11111000993. The reversal of 11111000984 is 48900011111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111000983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302192 + ... + 336959.

It is an arithmetic number, because the mean of its divisors is an integer number (679498470).

Almost surely, 2^11111000984 is an apocalyptic number.

It is an amenable number.

11111000984 is a deficient number, since it is larger than the sum of its proper divisors (10632950056).

11111000984 is a wasteful number, since it uses less digits than its factorization.

11111000984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639251 (or 639247 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 26.

The spelling of 11111000984 in words is "eleven billion, one hundred eleven million, nine hundred eighty-four", and thus it is an aban number.