115111100105115 has 32 divisors (see below), whose sum is σ = 185704531182336. Its totient is φ = 60885719314560.

The previous prime is 115111100105093. The next prime is 115111100105129. The reversal of 115111100105115 is 511501001111511.

It is not a de Polignac number, because 115111100105115 - 2³⁰ = 115110026363291 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63362284 + ... + 65153673.

It is an arithmetic number, because the mean of its divisors is an integer number (5803266599448).

Almost surely, 2^{115111100105115} is an apocalyptic number.

115111100105115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115111100105115 is a deficient number, since it is larger than the sum of its proper divisors (70593431077221).

115111100105115 is a wasteful number, since it uses less digits than its factorization.

115111100105115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128516459.

The product of its (nonzero) digits is 125, while the sum is 24.

Adding to 115111100105115 its reverse (511501001111511), we get a palindrome (626612101216626).

The spelling of 115111100105115 in words is "one hundred fifteen trillion, one hundred eleven billion, one hundred million, one hundred five thousand, one hundred fifteen".