113518280 has 64 divisors (see below), whose sum is σ = 269913600. Its totient is φ = 42900480.

The previous prime is 113518259. The next prime is 113518283. The reversal of 113518280 is 82815311.

It is not an unprimeable number, because it can be changed into a prime (113518283) by changing a digit.

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, 52256 + ... + 54384.

It is an arithmetic number, because the mean of its divisors is an integer number (4217400).

Almost surely, 2^113518280 is an apocalyptic number.

113518280 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 113518280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134956800).

113518280 is an abundant number, since it is smaller than the sum of its proper divisors (156395320).

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

113518280 is a wasteful number, since it uses less digits than its factorization.

113518280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2214 (or 2210 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 29.

The square root of 113518280 is about 10654.4957646995. The cubic root of 113518280 is about 484.1968213463.

The spelling of 113518280 in words is "one hundred thirteen million, five hundred eighteen thousand, two hundred eighty".