115676220191 has 32 divisors (see below), whose sum is σ = 137778401280. Its totient is φ = 95021942400.

The previous prime is 115676220181. The next prime is 115676220203. The reversal of 115676220191 is 191022676511.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-115676220191 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 (115676220161) 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 in 31 ways as a sum of consecutive naturals, for example, 15234806 + ... + 15242396.

It is an arithmetic number, because the mean of its divisors is an integer number (4305575040).

Almost surely, 2^115676220191 is an apocalyptic number.

115676220191 is a deficient number, since it is larger than the sum of its proper divisors (22102181089).

115676220191 is a wasteful number, since it uses less digits than its factorization.

115676220191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8175.

The product of its (nonzero) digits is 45360, while the sum is 41.

The spelling of 115676220191 in words is "one hundred fifteen billion, six hundred seventy-six million, two hundred twenty thousand, one hundred ninety-one".