115691752691566 has 4 divisors (see below), whose sum is σ = 173537629037352. Its totient is φ = 57845876345782.

The previous prime is 115691752691561. The next prime is 115691752691587. The reversal of 115691752691566 is 665196257196511.

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

It is a junction number, because it is equal to n+sod(n) for n = 115691752691495 and 115691752691504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115691752691561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28922938172890 + ... + 28922938172893.

It is an arithmetic number, because the mean of its divisors is an integer number (43384407259338).

Almost surely, 2^{115691752691566} is an apocalyptic number.

115691752691566 is a deficient number, since it is larger than the sum of its proper divisors (57845876345786).

115691752691566 is an equidigital number, since it uses as much as digits as its factorization.

115691752691566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57845876345785.

The product of its digits is 183708000, while the sum is 70.

The spelling of 115691752691566 in words is "one hundred fifteen trillion, six hundred ninety-one billion, seven hundred fifty-two million, six hundred ninety-one thousand, five hundred sixty-six".