115111099 has 8 divisors (see below), whose sum is σ = 116400240. Its totient is φ = 113828736.

The previous prime is 115111069. The next prime is 115111103. The reversal of 115111099 is 990111511.

It is a happy number.

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 115111099 - 2⁷ = 115110971 is a prime.

It is a super-2 number, since 2×115111099² = 26501130225975602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115111069) 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, 37287 + ... + 40255.

It is an arithmetic number, because the mean of its divisors is an integer number (14550030).

Almost surely, 2^115111099 is an apocalyptic number.

115111099 is a deficient number, since it is larger than the sum of its proper divisors (1289141).

115111099 is a wasteful number, since it uses less digits than its factorization.

115111099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3389.

The product of its (nonzero) digits is 405, while the sum is 28.

The square root of 115111099 is about 10728.9840618765. The cubic root of 115111099 is about 486.4509621943.

The spelling of 115111099 in words is "one hundred fifteen million, one hundred eleven thousand, ninety-nine".