115111225 has 12 divisors (see below), whose sum is σ = 145776384. Its totient is φ = 90128720.

The previous prime is 115111219. The next prime is 115111229. The reversal of 115111225 is 522111511.

It is not a de Polignac number, because 115111225 - 2⁵ = 115111193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115111229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47809 + ... + 50158.

It is an arithmetic number, because the mean of its divisors is an integer number (12148032).

Almost surely, 2^115111225 is an apocalyptic number.

It is an amenable number.

115111225 is a deficient number, since it is larger than the sum of its proper divisors (30665159).

115111225 is an equidigital number, since it uses as much as digits as its factorization.

115111225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98024 (or 98019 counting only the distinct ones).

The product of its digits is 100, while the sum is 19.

The square root of 115111225 is about 10728.9899338195. The cubic root of 115111225 is about 486.4511396831.

Adding to 115111225 its reverse (522111511), we get a palindrome (637222736).

The spelling of 115111225 in words is "one hundred fifteen million, one hundred eleven thousand, two hundred twenty-five".