113553100 has 18 divisors (see below), whose sum is σ = 246410444. Its totient is φ = 45421200.

The previous prime is 113553073. The next prime is 113553107. The reversal of 113553100 is 1355311.

It is a super-2 number, since 2×113553100² = 25788613039220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113553107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 567666 + ... + 567865.

Almost surely, 2^113553100 is an apocalyptic number.

113553100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113553100 is an abundant number, since it is smaller than the sum of its proper divisors (132857344).

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

113553100 is a wasteful number, since it uses less digits than its factorization.

113553100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135545 (or 1135538 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 113553100 is about 10656.1296914030. The cubic root of 113553100 is about 484.2463229472.

The spelling of 113553100 in words is "one hundred thirteen million, five hundred fifty-three thousand, one hundred".