111540992 has 36 divisors (see below), whose sum is σ = 228098136. Its totient is φ = 54405120.

The previous prime is 111540937. The next prime is 111541009. The reversal of 111540992 is 299045111.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5183 + ... + 15809.

Almost surely, 2^111540992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111540992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114049068).

111540992 is an abundant number, since it is smaller than the sum of its proper divisors (116557144).

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

111540992 is an equidigital number, since it uses as much as digits as its factorization.

111540992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10684 (or 10670 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 111540992 is about 10561.2968900604. The cubic root of 111540992 is about 481.3690544379.

The spelling of 111540992 in words is "one hundred eleven million, five hundred forty thousand, nine hundred ninety-two".