111028368 has 80 divisors (see below), whose sum is σ = 314265600. Its totient is φ = 33498240.

The previous prime is 111028363. The next prime is 111028373. The reversal of 111028368 is 863820111.

It is a Cunningham number, because it is equal to 10537²-1.

It is an interprime number because it is at equal distance from previous prime (111028363) and next prime (111028373).

It is not an unprimeable number, because it can be changed into a prime (111028361) 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, 231553 + ... + 232031.

It is an arithmetic number, because the mean of its divisors is an integer number (3928320).

Almost surely, 2^111028368 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 111028368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157132800).

111028368 is an abundant number, since it is smaller than the sum of its proper divisors (203237232).

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

111028368 is a wasteful number, since it uses less digits than its factorization.

111028368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940 (or 934 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 111028368 is about 10536.9999525482. Note that the first 4 decimals coincide. The cubic root of 111028368 is about 480.6304909177.

Adding to 111028368 its reverse (863820111), we get a palindrome (974848479).

The spelling of 111028368 in words is "one hundred eleven million, twenty-eight thousand, three hundred sixty-eight".