111318648 has 64 divisors (see below), whose sum is σ = 321024000. Its totient is φ = 31508352.

The previous prime is 111318637. The next prime is 111318653. The reversal of 111318648 is 846813111.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 15273 + ... + 21351.

It is an arithmetic number, because the mean of its divisors is an integer number (5016000).

Almost surely, 2^111318648 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 111318648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160512000).

111318648 is an abundant number, since it is smaller than the sum of its proper divisors (209705352).

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

111318648 is a wasteful number, since it uses less digits than its factorization.

111318648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6204 (or 6200 counting only the distinct ones).

The product of its digits is 4608, while the sum is 33.

The square root of 111318648 is about 10550.7652803008. The cubic root of 111318648 is about 481.0489905913.

The spelling of 111318648 in words is "one hundred eleven million, three hundred eighteen thousand, six hundred forty-eight".