115731990196 has 12 divisors (see below), whose sum is σ = 203319042948. Its totient is φ = 57640835072.

The previous prime is 115731990181. The next prime is 115731990223. The reversal of 115731990196 is 691099137511.

It can be written as a sum of positive squares in 2 ways, for example, as 114129108900 + 1602881296 = 337830^2 + 40036^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56288851 + ... + 56290906.

It is an arithmetic number, because the mean of its divisors is an integer number (16943253579).

Almost surely, 2^115731990196 is an apocalyptic number.

It is an amenable number.

115731990196 is a deficient number, since it is larger than the sum of its proper divisors (87587052752).

115731990196 is a wasteful number, since it uses less digits than its factorization.

115731990196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112580018 (or 112580016 counting only the distinct ones).

The product of its (nonzero) digits is 459270, while the sum is 52.

The spelling of 115731990196 in words is "one hundred fifteen billion, seven hundred thirty-one million, nine hundred ninety thousand, one hundred ninety-six".