111004143984 has 40 divisors (see below), whose sum is σ = 318623007120. Its totient is φ = 37001381184.

The previous prime is 111004143979. The next prime is 111004143989. The reversal of 111004143984 is 489341400111.

111004143984 is a `hidden beast` number, since 1 + 1 + 100 + 41 + 439 + 84 = 666.

It is an interprime number because it is at equal distance from previous prime (111004143979) and next prime (111004143989).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111004143989) 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, 128476587 + ... + 128477450.

It is an arithmetic number, because the mean of its divisors is an integer number (7965575178).

Almost surely, 2^111004143984 is an apocalyptic number.

It is an amenable number.

111004143984 is an abundant number, since it is smaller than the sum of its proper divisors (207618863136).

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

111004143984 is a wasteful number, since it uses less digits than its factorization.

111004143984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256954054 (or 256954042 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 111004143984 in words is "one hundred eleven billion, four million, one hundred forty-three thousand, nine hundred eighty-four".