115511255 has 8 divisors (see below), whose sum is σ = 138692400. Its totient is φ = 92356416.

The previous prime is 115511251. The next prime is 115511257. The reversal of 115511255 is 552115511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115511255 - 2² = 115511251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115511251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4916 + ... + 15974.

It is an arithmetic number, because the mean of its divisors is an integer number (17336550).

Almost surely, 2^115511255 is an apocalyptic number.

115511255 is a deficient number, since it is larger than the sum of its proper divisors (23181145).

115511255 is a wasteful number, since it uses less digits than its factorization.

115511255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13153.

The product of its digits is 1250, while the sum is 26.

The square root of 115511255 is about 10747.6162473360. The cubic root of 115511255 is about 487.0139868113.

Adding to 115511255 its reverse (552115511), we get a palindrome (667626766).

The spelling of 115511255 in words is "one hundred fifteen million, five hundred eleven thousand, two hundred fifty-five".