111443056 has 40 divisors (see below), whose sum is σ = 235141200. Its totient is φ = 50964480.

The previous prime is 111443053. The next prime is 111443069. The reversal of 111443056 is 650344111.

It is a self number, because there is not a number n which added to its sum of digits gives 111443056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111443051) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2496 + ... + 15136.

It is an arithmetic number, because the mean of its divisors is an integer number (5878530).

Almost surely, 2^111443056 is an apocalyptic number.

111443056 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 111443056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117570600).

111443056 is an abundant number, since it is smaller than the sum of its proper divisors (123698144).

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

111443056 is a wasteful number, since it uses less digits than its factorization.

111443056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12697 (or 12691 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 111443056 is about 10556.6593200690. The cubic root of 111443056 is about 481.2281281790.

Adding to 111443056 its reverse (650344111), we get a palindrome (761787167).

The spelling of 111443056 in words is "one hundred eleven million, four hundred forty-three thousand, fifty-six".