113555904 has 112 divisors (see below), whose sum is σ = 374635776. Its totient is φ = 29491200.

The previous prime is 113555881. The next prime is 113555917. The reversal of 113555904 is 409555311.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10944 + ... + 18624.

Almost surely, 2^113555904 is an apocalyptic number.

113555904 is a gapful number since it is divisible by the number (14) 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 113555904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187317888).

113555904 is an abundant number, since it is smaller than the sum of its proper divisors (261079872).

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

113555904 is a wasteful number, since it uses less digits than its factorization.

113555904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7714 (or 7704 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 33.

The square root of 113555904 is about 10656.2612580586. The cubic root of 113555904 is about 484.2503087932.

The spelling of 113555904 in words is "one hundred thirteen million, five hundred fifty-five thousand, nine hundred four".