115503300 has 144 divisors (see below), whose sum is σ = 405182400. Its totient is φ = 27993600.

The previous prime is 115503281. The next prime is 115503313. The reversal of 115503300 is 3305511.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27756 + ... + 31644.

Almost surely, 2^115503300 is an apocalyptic number.

115503300 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 115503300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202591200).

115503300 is an abundant number, since it is smaller than the sum of its proper divisors (289679100).

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

115503300 is a wasteful number, since it uses less digits than its factorization.

115503300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3923 (or 3910 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 115503300 is about 10747.2461589004. The cubic root of 115503300 is about 487.0028067025.

Adding to 115503300 its reverse (3305511), we get a palindrome (118808811).

The spelling of 115503300 in words is "one hundred fifteen million, five hundred three thousand, three hundred".