115999995 has 32 divisors (see below), whose sum is σ = 194715648. Its totient is φ = 58900608.

The previous prime is 115999973. The next prime is 115999999. The reversal of 115999995 is 599999511.

It is not a de Polignac number, because 115999995 - 2⁶ = 115999931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115999999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23862 + ... + 28308.

It is an arithmetic number, because the mean of its divisors is an integer number (6084864).

Almost surely, 2^115999995 is an apocalyptic number.

115999995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115999995 is a deficient number, since it is larger than the sum of its proper divisors (78715653).

115999995 is a wasteful number, since it uses less digits than its factorization.

115999995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4539.

The product of its digits is 1476225, while the sum is 57.

The square root of 115999995 is about 10770.3293821498. The cubic root of 115999995 is about 487.6998891001.

It can be divided in two parts, 11 and 5999995, that added together give a palindrome (6000006).

The spelling of 115999995 in words is "one hundred fifteen million, nine hundred ninety-nine thousand, nine hundred ninety-five".