111784068 has 144 divisors (see below), whose sum is σ = 330220800. Its totient is φ = 31527360.

The previous prime is 111784063. The next prime is 111784069. The reversal of 111784068 is 860487111.

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

It is not an unprimeable number, because it can be changed into a prime (111784063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 624403 + ... + 624581.

It is an arithmetic number, because the mean of its divisors is an integer number (2293200).

Almost surely, 2^111784068 is an apocalyptic number.

111784068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111784068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165110400).

111784068 is an abundant number, since it is smaller than the sum of its proper divisors (218436732).

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

111784068 is a wasteful number, since it uses less digits than its factorization.

111784068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The square root of 111784068 is about 10572.7984942493. The cubic root of 111784068 is about 481.7184756607.

The spelling of 111784068 in words is "one hundred eleven million, seven hundred eighty-four thousand, sixty-eight".