115732681 has 2 divisors, whose sum is σ = 115732682. Its totient is φ = 115732680.

The previous prime is 115732657. The next prime is 115732691. The reversal of 115732681 is 186237511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108889225 + 6843456 = 10435^2 + 2616^2 .

It is a cyclic number.

It is not a de Polignac number, because 115732681 - 2¹¹ = 115730633 is a prime.

It is a super-2 number, since 2×115732681² = 26788106902895522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (115732691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57866340 + 57866341.

It is an arithmetic number, because the mean of its divisors is an integer number (57866341).

Almost surely, 2^115732681 is an apocalyptic number.

It is an amenable number.

115732681 is a deficient number, since it is larger than the sum of its proper divisors (1).

115732681 is an equidigital number, since it uses as much as digits as its factorization.

115732681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 34.

The square root of 115732681 is about 10757.9124833771. The cubic root of 115732681 is about 487.3249773636.

The spelling of 115732681 in words is "one hundred fifteen million, seven hundred thirty-two thousand, six hundred eighty-one".