111401600 has 96 divisors (see below), whose sum is σ = 284327040. Its totient is φ = 43084800.

The previous prime is 111401599. The next prime is 111401603. The reversal of 111401600 is 6104111.

It is not an unprimeable number, because it can be changed into a prime (111401603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98639 + ... + 99761.

It is an arithmetic number, because the mean of its divisors is an integer number (2961740).

Almost surely, 2^111401600 is an apocalyptic number.

111401600 is a gapful number since it is divisible by the number (10) 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 111401600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142163520).

111401600 is an abundant number, since it is smaller than the sum of its proper divisors (172925440).

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

111401600 is a wasteful number, since it uses less digits than its factorization.

111401600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178 (or 1161 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 111401600 is about 10554.6956374876. The cubic root of 111401600 is about 481.1684496662.

Adding to 111401600 its reverse (6104111), we get a palindrome (117505711).

The spelling of 111401600 in words is "one hundred eleven million, four hundred one thousand, six hundred".