115819168091 has 8 divisors (see below), whose sum is σ = 132998088000. Its totient is φ = 99748565640.

The previous prime is 115819168081. The next prime is 115819168099. The reversal of 115819168091 is 190861918511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115819168091 - 2⁶ = 115819168027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115819168099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277079141 + ... + 277079558.

It is an arithmetic number, because the mean of its divisors is an integer number (16624761000).

Almost surely, 2^115819168091 is an apocalyptic number.

115819168091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

115819168091 is a deficient number, since it is larger than the sum of its proper divisors (17178919909).

115819168091 is a wasteful number, since it uses less digits than its factorization.

115819168091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554158729.

The product of its (nonzero) digits is 155520, while the sum is 50.

The spelling of 115819168091 in words is "one hundred fifteen billion, eight hundred nineteen million, one hundred sixty-eight thousand, ninety-one".