115512203 has 4 divisors (see below), whose sum is σ = 115600968. Its totient is φ = 115423440.

The previous prime is 115512193. The next prime is 115512217. The reversal of 115512203 is 302215511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115512203 - 2⁶ = 115512139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115512283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42401 + ... + 45042.

It is an arithmetic number, because the mean of its divisors is an integer number (28900242).

Almost surely, 2^115512203 is an apocalyptic number.

115512203 is a deficient number, since it is larger than the sum of its proper divisors (88765).

115512203 is an equidigital number, since it uses as much as digits as its factorization.

115512203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88764.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 115512203 is about 10747.6603500483. The cubic root of 115512203 is about 487.0153191144.

Adding to 115512203 its reverse (302215511), we get a palindrome (417727714).

The spelling of 115512203 in words is "one hundred fifteen million, five hundred twelve thousand, two hundred three".