115711688369 has 2 divisors, whose sum is σ = 115711688370. Its totient is φ = 115711688368.

The previous prime is 115711688357. The next prime is 115711688387. The reversal of 115711688369 is 963886117511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97601257744 + 18110430625 = 312412^2 + 134575^2 .

It is a cyclic number.

It is not a de Polignac number, because 115711688369 - 2¹² = 115711684273 is a prime.

It is a super-2 number, since 2×115711688369² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (115711688269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57855844184 + 57855844185.

It is an arithmetic number, because the mean of its divisors is an integer number (57855844185).

Almost surely, 2^115711688369 is an apocalyptic number.

It is an amenable number.

115711688369 is a deficient number, since it is larger than the sum of its proper divisors (1).

115711688369 is an equidigital number, since it uses as much as digits as its factorization.

115711688369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 56.

The spelling of 115711688369 in words is "one hundred fifteen billion, seven hundred eleven million, six hundred eighty-eight thousand, three hundred sixty-nine".