5566181201805 has 16 divisors (see below), whose sum is σ = 10178159912064. Its totient is φ = 2544539977920.

The previous prime is 5566181201747. The next prime is 5566181201939. The reversal of 5566181201805 is 5081021816655.

It is not a de Polignac number, because 5566181201805 - 2²¹ = 5566179104653 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26505624666 + ... + 26505624875.

It is an arithmetic number, because the mean of its divisors is an integer number (636134994504).

Almost surely, 2^{5566181201805} is an apocalyptic number.

It is an amenable number.

5566181201805 is a deficient number, since it is larger than the sum of its proper divisors (4611978710259).

5566181201805 is a wasteful number, since it uses less digits than its factorization.

5566181201805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53011249556.

The product of its (nonzero) digits is 576000, while the sum is 48.

The spelling of 5566181201805 in words is "five trillion, five hundred sixty-six billion, one hundred eighty-one million, two hundred one thousand, eight hundred five".