115812308863 has 4 divisors (see below), whose sum is σ = 121907693560. Its totient is φ = 109716924168.

The previous prime is 115812308791. The next prime is 115812308867. The reversal of 115812308863 is 368803218511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115812308863 - 2¹³ = 115812300671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115812308867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3047692320 + ... + 3047692357.

It is an arithmetic number, because the mean of its divisors is an integer number (30476923390).

Almost surely, 2^115812308863 is an apocalyptic number.

115812308863 is a deficient number, since it is larger than the sum of its proper divisors (6095384697).

115812308863 is an equidigital number, since it uses as much as digits as its factorization.

115812308863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6095384696.

The product of its (nonzero) digits is 276480, while the sum is 46.

The spelling of 115812308863 in words is "one hundred fifteen billion, eight hundred twelve million, three hundred eight thousand, eight hundred sixty-three".