115998773843 has 2 divisors, whose sum is σ = 115998773844. Its totient is φ = 115998773842.

The previous prime is 115998773819. The next prime is 115998773857. The reversal of 115998773843 is 348377899511.

It is a strong prime.

It is an emirp because it is prime and its reverse (348377899511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115998773843 - 2⁸ = 115998773587 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115998773843.

It is not a weakly prime, because it can be changed into another prime (115998775843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57999386921 + 57999386922.

It is an arithmetic number, because the mean of its divisors is an integer number (57999386922).

Almost surely, 2^115998773843 is an apocalyptic number.

115998773843 is a deficient number, since it is larger than the sum of its proper divisors (1).

115998773843 is an equidigital number, since it uses as much as digits as its factorization.

115998773843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45722880, while the sum is 65.

The spelling of 115998773843 in words is "one hundred fifteen billion, nine hundred ninety-eight million, seven hundred seventy-three thousand, eight hundred forty-three".