115205325066 has 72 divisors (see below), whose sum is σ = 273711372480. Its totient is φ = 34999013088.

The previous prime is 115205325061. The next prime is 115205325073. The reversal of 115205325066 is 660523502511.

115205325066 is a `hidden beast` number, since 1 + 1 + 520 + 53 + 25 + 0 + 66 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 115205325066.

It is not an unprimeable number, because it can be changed into a prime (115205325061) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 625 + ... + 480011.

It is an arithmetic number, because the mean of its divisors is an integer number (3801546840).

Almost surely, 2^115205325066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115205325066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136855686240).

115205325066 is an abundant number, since it is smaller than the sum of its proper divisors (158506047414).

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

115205325066 is a wasteful number, since it uses less digits than its factorization.

115205325066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479500 (or 479484 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

Adding to 115205325066 its reverse (660523502511), we get a palindrome (775728827577).

The spelling of 115205325066 in words is "one hundred fifteen billion, two hundred five million, three hundred twenty-five thousand, sixty-six".