111055616 has 72 divisors (see below), whose sum is σ = 262204320. Its totient is φ = 45932544.

The previous prime is 111055603. The next prime is 111055619. The reversal of 111055616 is 616550111.

It is not an unprimeable number, because it can be changed into a prime (111055619) 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 7 ways as a sum of consecutive naturals, for example, 50900 + ... + 53036.

Almost surely, 2^111055616 is an apocalyptic number.

111055616 is a gapful number since it is divisible by the number (16) 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 111055616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131102160).

111055616 is an abundant number, since it is smaller than the sum of its proper divisors (151148704).

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

111055616 is an equidigital number, since it uses as much as digits as its factorization.

111055616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189 (or 2175 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 111055616 is about 10538.2928408732. The cubic root of 111055616 is about 480.6698056402.

The spelling of 111055616 in words is "one hundred eleven million, fifty-five thousand, six hundred sixteen".