115665165379 has 2 divisors, whose sum is σ = 115665165380. Its totient is φ = 115665165378.

The previous prime is 115665165373. The next prime is 115665165389. The reversal of 115665165379 is 973561566511.

It is a weak prime.

It is an emirp because it is prime and its reverse (973561566511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115665165379 - 2⁷ = 115665165251 is a prime.

It is not a weakly prime, because it can be changed into another prime (115665165373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57832582689 + 57832582690.

It is an arithmetic number, because the mean of its divisors is an integer number (57832582690).

Almost surely, 2^115665165379 is an apocalyptic number.

115665165379 is a deficient number, since it is larger than the sum of its proper divisors (1).

115665165379 is an equidigital number, since it uses as much as digits as its factorization.

115665165379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5103000, while the sum is 55.

The spelling of 115665165379 in words is "one hundred fifteen billion, six hundred sixty-five million, one hundred sixty-five thousand, three hundred seventy-nine".