111097408 has 56 divisors (see below), whose sum is σ = 233700320. Its totient is φ = 52254720.

The previous prime is 111097403. The next prime is 111097411. The reversal of 111097408 is 804790111.

It is a self number, because there is not a number n which added to its sum of digits gives 111097408.

It is not an unprimeable number, because it can be changed into a prime (111097403) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 256360 + ... + 256792.

It is an arithmetic number, because the mean of its divisors is an integer number (4173220).

Almost surely, 2^111097408 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 111097408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116850160).

111097408 is an abundant number, since it is smaller than the sum of its proper divisors (122602912).

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

111097408 is a wasteful number, since it uses less digits than its factorization.

111097408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675 (or 665 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 111097408 is about 10540.2755182206. The cubic root of 111097408 is about 480.7300926505.

The spelling of 111097408 in words is "one hundred eleven million, ninety-seven thousand, four hundred eight".