115917144823 has 2 divisors, whose sum is σ = 115917144824. Its totient is φ = 115917144822.

The previous prime is 115917144799. The next prime is 115917144841. The reversal of 115917144823 is 328441719511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115917144823 - 2²¹ = 115915047671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115917144223) 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, 57958572411 + 57958572412.

It is an arithmetic number, because the mean of its divisors is an integer number (57958572412).

Almost surely, 2^115917144823 is an apocalyptic number.

115917144823 is a deficient number, since it is larger than the sum of its proper divisors (1).

115917144823 is an equidigital number, since it uses as much as digits as its factorization.

115917144823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 46.

The spelling of 115917144823 in words is "one hundred fifteen billion, nine hundred seventeen million, one hundred forty-four thousand, eight hundred twenty-three".