5571328865 has 16 divisors (see below), whose sum is σ = 7040995200. Its totient is φ = 4220364672.

The previous prime is 5571328853. The next prime is 5571328871. The reversal of 5571328865 is 5688231755.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5571328865 - 2¹⁰ = 5571327841 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190916 + ... + 218154.

It is an arithmetic number, because the mean of its divisors is an integer number (440062200).

Almost surely, 2^5571328865 is an apocalyptic number.

It is an amenable number.

5571328865 is a deficient number, since it is larger than the sum of its proper divisors (1469666335).

5571328865 is a wasteful number, since it uses less digits than its factorization.

5571328865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29416.

The product of its digits is 2016000, while the sum is 50.

The square root of 5571328865 is about 74641.3348286323. The cubic root of 5571328865 is about 1772.7721957269.

The spelling of 5571328865 in words is "five billion, five hundred seventy-one million, three hundred twenty-eight thousand, eight hundred sixty-five".