115009117 has 4 divisors (see below), whose sum is σ = 116194876. Its totient is φ = 113823360.

The previous prime is 115009049. The next prime is 115009127. The reversal of 115009117 is 711900511.

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

It can be written as a sum of positive squares in 2 ways, for example, as 66928761 + 48080356 = 8181^2 + 6934^2 .

It is a cyclic number.

It is not a de Polignac number, because 115009117 - 2¹⁵ = 114976349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115009091 and 115009100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115009127) 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 3 ways as a sum of consecutive naturals, for example, 592734 + ... + 592927.

It is an arithmetic number, because the mean of its divisors is an integer number (29048719).

Almost surely, 2^115009117 is an apocalyptic number.

It is an amenable number.

115009117 is a deficient number, since it is larger than the sum of its proper divisors (1185759).

115009117 is an equidigital number, since it uses as much as digits as its factorization.

115009117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185758.

The product of its (nonzero) digits is 315, while the sum is 25.

The square root of 115009117 is about 10724.2303686558. The cubic root of 115009117 is about 486.3072636283.

Adding to 115009117 its reverse (711900511), we get a palindrome (826909628).

The spelling of 115009117 in words is "one hundred fifteen million, nine thousand, one hundred seventeen".