111097056 has 96 divisors (see below), whose sum is σ = 344107008. Its totient is φ = 30712320.

The previous prime is 111097033. The next prime is 111097067. The reversal of 111097056 is 650790111.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18166 + ... + 23498.

It is an arithmetic number, because the mean of its divisors is an integer number (3584448).

Almost surely, 2^111097056 is an apocalyptic number.

111097056 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 111097056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172053504).

111097056 is an abundant number, since it is smaller than the sum of its proper divisors (233009952).

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

111097056 is a wasteful number, since it uses less digits than its factorization.

111097056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5384 (or 5376 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 30.

The square root of 111097056 is about 10540.2588203516. The cubic root of 111097056 is about 480.7295849364.

The spelling of 111097056 in words is "one hundred eleven million, ninety-seven thousand, fifty-six".