115813669 has 2 divisors, whose sum is σ = 115813670. Its totient is φ = 115813668.

The previous prime is 115813661. The next prime is 115813681. The reversal of 115813669 is 966318511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81450625 + 34363044 = 9025^2 + 5862^2 .

It is a cyclic number.

It is not a de Polignac number, because 115813669 - 2³ = 115813661 is a prime.

It is a super-2 number, since 2×115813669² = 26825611854483122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115813661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57906834 + 57906835.

It is an arithmetic number, because the mean of its divisors is an integer number (57906835).

Almost surely, 2^115813669 is an apocalyptic number.

It is an amenable number.

115813669 is a deficient number, since it is larger than the sum of its proper divisors (1).

115813669 is an equidigital number, since it uses as much as digits as its factorization.

115813669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 40.

The square root of 115813669 is about 10761.6759382542. The cubic root of 115813669 is about 487.4386251027.

The spelling of 115813669 in words is "one hundred fifteen million, eight hundred thirteen thousand, six hundred sixty-nine".