13000115066 has 8 divisors (see below), whose sum is σ = 19506997044. Its totient is φ = 6497782720.

The previous prime is 13000115059. The next prime is 13000115083. The reversal of 13000115066 is 66051100031.

It is a happy number.

13000115066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12935650225 + 64464841 = 113735^2 + 8029^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon 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, 1130255 + ... + 1141698.

Almost surely, 2^13000115066 is an apocalyptic number.

13000115066 is a deficient number, since it is larger than the sum of its proper divisors (6506881978).

13000115066 is a wasteful number, since it uses less digits than its factorization.

13000115066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2274816.

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 13000115066 its reverse (66051100031), we get a palindrome (79051215097).

The spelling of 13000115066 in words is "thirteen billion, one hundred fifteen thousand, sixty-six".