5665066111 has 4 divisors (see below), whose sum is σ = 5998305312. Its totient is φ = 5331826912.

The previous prime is 5665066109. The next prime is 5665066151. The reversal of 5665066111 is 1116605665.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5665066111 - 2¹ = 5665066109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5665066151) by changing a digit.

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, 166619575 + ... + 166619608.

It is an arithmetic number, because the mean of its divisors is an integer number (1499576328).

Almost surely, 2^5665066111 is an apocalyptic number.

5665066111 is a deficient number, since it is larger than the sum of its proper divisors (333239201).

5665066111 is a wasteful number, since it uses less digits than its factorization.

5665066111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333239200.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 5665066111 is about 75266.6334506865. The cubic root of 5665066111 is about 1782.6592108433.

The spelling of 5665066111 in words is "five billion, six hundred sixty-five million, sixty-six thousand, one hundred eleven".