115765717009 has 2 divisors, whose sum is σ = 115765717010. Its totient is φ = 115765717008.

The previous prime is 115765716973. The next prime is 115765717079. The reversal of 115765717009 is 900717567511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76301907984 + 39463809025 = 276228^2 + 198655^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115765717009 is a prime.

It is not a weakly prime, because it can be changed into another prime (115765717079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57882858504 + 57882858505.

It is an arithmetic number, because the mean of its divisors is an integer number (57882858505).

Almost surely, 2^115765717009 is an apocalyptic number.

It is an amenable number.

115765717009 is a deficient number, since it is larger than the sum of its proper divisors (1).

115765717009 is an equidigital number, since it uses as much as digits as its factorization.

115765717009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 463050, while the sum is 49.

The spelling of 115765717009 in words is "one hundred fifteen billion, seven hundred sixty-five million, seven hundred seventeen thousand, nine".