115727098709 has 2 divisors, whose sum is σ = 115727098710. Its totient is φ = 115727098708.

The previous prime is 115727098699. The next prime is 115727098717. The reversal of 115727098709 is 907890727511.

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., 115721071684 + 6027025 = 340178^2 + 2455^2 .

It is a cyclic number.

It is not a de Polignac number, because 115727098709 - 2⁴ = 115727098693 is a prime.

It is a super-2 number, since 2×115727098709² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115727098769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57863549354 + 57863549355.

It is an arithmetic number, because the mean of its divisors is an integer number (57863549355).

Almost surely, 2^115727098709 is an apocalyptic number.

It is an amenable number.

115727098709 is a deficient number, since it is larger than the sum of its proper divisors (1).

115727098709 is an equidigital number, since it uses as much as digits as its factorization.

115727098709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2222640, while the sum is 56.

The spelling of 115727098709 in words is "one hundred fifteen billion, seven hundred twenty-seven million, ninety-eight thousand, seven hundred nine".