115165969 has 2 divisors, whose sum is σ = 115165970. Its totient is φ = 115165968.

The previous prime is 115165951. The next prime is 115166081. The reversal of 115165969 is 969561511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84860944 + 30305025 = 9212^2 + 5505^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115165969 is a prime.

It is a super-2 number, since 2×115165969² = 26526400831417922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (115165909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57582984 + 57582985.

It is an arithmetic number, because the mean of its divisors is an integer number (57582985).

Almost surely, 2^115165969 is an apocalyptic number.

It is an amenable number.

115165969 is a deficient number, since it is larger than the sum of its proper divisors (1).

115165969 is an equidigital number, since it uses as much as digits as its factorization.

115165969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72900, while the sum is 43.

The square root of 115165969 is about 10731.5408492909. The cubic root of 115165969 is about 486.5282420994.

The spelling of 115165969 in words is "one hundred fifteen million, one hundred sixty-five thousand, nine hundred sixty-nine".