111283568 has 80 divisors (see below), whose sum is σ = 252412416. Its totient is φ = 47013120.

The previous prime is 111283567. The next prime is 111283573. The reversal of 111283568 is 865382111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111283567) 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, 149405 + ... + 150147.

Almost surely, 2^111283568 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 111283568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126206208).

111283568 is an abundant number, since it is smaller than the sum of its proper divisors (141128848).

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

111283568 is a wasteful number, since it uses less digits than its factorization.

111283568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822 (or 816 counting only the distinct ones).

The product of its digits is 11520, while the sum is 35.

The square root of 111283568 is about 10549.1027106574. The cubic root of 111283568 is about 480.9984540704.

The spelling of 111283568 in words is "one hundred eleven million, two hundred eighty-three thousand, five hundred sixty-eight".