115111055 has 4 divisors (see below), whose sum is σ = 138133272. Its totient is φ = 92088840.

The previous prime is 115110997. The next prime is 115111069. The reversal of 115111055 is 550111511.

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

It is not a de Polignac number, because 115111055 - 2⁶ = 115110991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11511101 + ... + 11511110.

It is an arithmetic number, because the mean of its divisors is an integer number (34533318).

Almost surely, 2^115111055 is an apocalyptic number.

115111055 is a deficient number, since it is larger than the sum of its proper divisors (23022217).

115111055 is an equidigital number, since it uses as much as digits as its factorization.

115111055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23022216.

The product of its (nonzero) digits is 125, while the sum is 20.

The square root of 115111055 is about 10728.9820113560. The cubic root of 115111055 is about 486.4509002141.

Adding to 115111055 its reverse (550111511), we get a palindrome (665222566).

The spelling of 115111055 in words is "one hundred fifteen million, one hundred eleven thousand, fifty-five".