111608736 has 96 divisors (see below), whose sum is σ = 315786240. Its totient is φ = 34401024.

The previous prime is 111608713. The next prime is 111608741. The reversal of 111608736 is 637806111.

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

It is a junction number, because it is equal to n+sod(n) for n = 111608697 and 111608706.

It is an unprimeable number.

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, 77721 + ... + 79143.

It is an arithmetic number, because the mean of its divisors is an integer number (3289440).

Almost surely, 2^111608736 is an apocalyptic number.

111608736 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 111608736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157893120).

111608736 is an abundant number, since it is smaller than the sum of its proper divisors (204177504).

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

111608736 is a wasteful number, since it uses less digits than its factorization.

111608736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498 (or 1490 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 111608736 is about 10564.5035851194. The cubic root of 111608736 is about 481.4664872742.

The spelling of 111608736 in words is "one hundred eleven million, six hundred eight thousand, seven hundred thirty-six".