115225111 has 4 divisors (see below), whose sum is σ = 116104824. Its totient is φ = 114345400.

The previous prime is 115225081. The next prime is 115225151. The reversal of 115225111 is 111522511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111522511 = 401 ⋅278111.

It is a cyclic number.

It is not a de Polignac number, because 115225111 - 2¹³ = 115216919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115225151) 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, 439660 + ... + 439921.

It is an arithmetic number, because the mean of its divisors is an integer number (29026206).

Almost surely, 2^115225111 is an apocalyptic number.

115225111 is a deficient number, since it is larger than the sum of its proper divisors (879713).

115225111 is an equidigital number, since it uses as much as digits as its factorization.

115225111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879712.

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

The square root of 115225111 is about 10734.2960179045. The cubic root of 115225111 is about 486.6115112844.

Adding to 115225111 its reverse (111522511), we get a palindrome (226747622).

The spelling of 115225111 in words is "one hundred fifteen million, two hundred twenty-five thousand, one hundred eleven".