115747194236568 has 64 divisors (see below), whose sum is σ = 306390941820000. Its totient is φ = 36312689989632.

The previous prime is 115747194236567. The next prime is 115747194236603. The reversal of 115747194236568 is 865632491747511.

It is a Cunningham number, because it is equal to 10758587²-1.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115747194236561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128654758 + ... + 129551306.

Almost surely, 2^{115747194236568} is an apocalyptic number.

It is an amenable number.

115747194236568 is an abundant number, since it is smaller than the sum of its proper divisors (190643747583432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115747194236568 is a wasteful number, since it uses less digits than its factorization.

115747194236568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213004 (or 1213000 counting only the distinct ones).

The product of its digits is 304819200, while the sum is 69.

The spelling of 115747194236568 in words is "one hundred fifteen trillion, seven hundred forty-seven billion, one hundred ninety-four million, two hundred thirty-six thousand, five hundred sixty-eight".