115116761 has 4 divisors (see below), whose sum is σ = 115187892. Its totient is φ = 115045632.

The previous prime is 115116751. The next prime is 115116769. The reversal of 115116761 is 167611511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 167611511 = 23 ⋅7287457.

It can be written as a sum of positive squares in 2 ways, for example, as 51036736 + 64080025 = 7144^2 + 8005^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115116761 is a prime.

It is a super-2 number, since 2×115116761² = 26503737326262242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115116769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33080 + ... + 36393.

It is an arithmetic number, because the mean of its divisors is an integer number (28796973).

Almost surely, 2^115116761 is an apocalyptic number.

It is an amenable number.

115116761 is a deficient number, since it is larger than the sum of its proper divisors (71131).

115116761 is an equidigital number, since it uses as much as digits as its factorization.

115116761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71130.

The product of its digits is 1260, while the sum is 29.

The square root of 115116761 is about 10729.2479233169. The cubic root of 115116761 is about 486.4589377942.

The spelling of 115116761 in words is "one hundred fifteen million, one hundred sixteen thousand, seven hundred sixty-one".