111596560 has 80 divisors (see below), whose sum is σ = 267076656. Its totient is φ = 43352064.

The previous prime is 111596549. The next prime is 111596561. The reversal of 111596560 is 65695111.

It can be written as a sum of positive squares in 8 ways, for example, as 7311616 + 104284944 = 2704^2 + 10212^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (111596561) 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 15 ways as a sum of consecutive naturals, for example, 566382 + ... + 566578.

Almost surely, 2^111596560 is an apocalyptic number.

111596560 is a gapful number since it is divisible by the number (10) 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 111596560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133538328).

111596560 is an abundant number, since it is smaller than the sum of its proper divisors (155480096).

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

111596560 is a wasteful number, since it uses less digits than its factorization.

111596560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 111596560 is about 10563.9273000149. The cubic root of 111596560 is about 481.4489780440.

The spelling of 111596560 in words is "one hundred eleven million, five hundred ninety-six thousand, five hundred sixty".