115808173636 has 27 divisors (see below), whose sum is σ = 215308505559. Its totient is φ = 54492519168.

The previous prime is 115808173631. The next prime is 115808173651. The reversal of 115808173636 is 636371808511.

The square root of 115808173636 is 340306.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 84175416900 + 31632756736 = 290130^2 + 177856^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115808173636.

It is not an unprimeable number, because it can be changed into a prime (115808173631) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11565400 + ... + 11575408.

Almost surely, 2^115808173636 is an apocalyptic number.

115808173636 is the 340306-th square number.

It is an amenable number.

115808173636 is a deficient number, since it is larger than the sum of its proper divisors (99500331923).

115808173636 is an frugal number, since it uses more digits than its factorization.

115808173636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20056 (or 10028 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 49.

Multiplying 115808173636 by its sum of digits (49), we get a square (5674600508164 = 2382142²).

It can be divided in two parts, 115808 and 173636, that added together give a square (289444 = 538²).

The spelling of 115808173636 in words is "one hundred fifteen billion, eight hundred eight million, one hundred seventy-three thousand, six hundred thirty-six".