5665843550211 has 64 divisors (see below), whose sum is σ = 8592983347200. Its totient is φ = 3296604096000.

The previous prime is 5665843550209. The next prime is 5665843550219. The reversal of 5665843550211 is 1120553485665.

It is not a de Polignac number, because 5665843550211 - 2¹ = 5665843550209 is a prime.

It is a super-3 number, since 3×5665843550211³ (a number of 39 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (5665843550219) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10730796 + ... + 11246406.

It is an arithmetic number, because the mean of its divisors is an integer number (134265364800).

Almost surely, 2^{5665843550211} is an apocalyptic number.

5665843550211 is a deficient number, since it is larger than the sum of its proper divisors (2927139796989).

5665843550211 is a wasteful number, since it uses less digits than its factorization.

5665843550211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515868.

The product of its (nonzero) digits is 4320000, while the sum is 51.

The spelling of 5665843550211 in words is "five trillion, six hundred sixty-five billion, eight hundred forty-three million, five hundred fifty thousand, two hundred eleven".