111153042 has 192 divisors, whose sum is σ = 335462400. Its totient is φ = 25660800.

The previous prime is 111153037. The next prime is 111153103. The reversal of 111153042 is 240351111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 558459 + ... + 558657.

It is an arithmetic number, because the mean of its divisors is an integer number (1747200).

Almost surely, 2^111153042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111153042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167731200).

111153042 is an abundant number, since it is smaller than the sum of its proper divisors (224309358).

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

111153042 is a wasteful number, since it uses less digits than its factorization.

111153042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 111153042 is about 10542.9143029809. The cubic root of 111153042 is about 480.8103239699.

The spelling of 111153042 in words is "one hundred eleven million, one hundred fifty-three thousand, forty-two".