113180112 has 80 divisors (see below), whose sum is σ = 341992000. Its totient is φ = 35738496.

The previous prime is 113180099. The next prime is 113180117. The reversal of 113180112 is 211081311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113180117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1314 + ... + 15102.

It is an arithmetic number, because the mean of its divisors is an integer number (4274900).

Almost surely, 2^113180112 is an apocalyptic number.

113180112 is a gapful number since it is divisible by the number (12) 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 113180112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170996000).

113180112 is an abundant number, since it is smaller than the sum of its proper divisors (228811888).

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

113180112 is a wasteful number, since it uses less digits than its factorization.

113180112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13825 (or 13813 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

The square root of 113180112 is about 10638.6141954674. The cubic root of 113180112 is about 483.7155398805.

The spelling of 113180112 in words is "one hundred thirteen million, one hundred eighty thousand, one hundred twelve".