5666195111 has 2 divisors, whose sum is σ = 5666195112. Its totient is φ = 5666195110.

The previous prime is 5666195053. The next prime is 5666195137. The reversal of 5666195111 is 1115916665.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5666195111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5666195911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2833097555 + 2833097556.

It is an arithmetic number, because the mean of its divisors is an integer number (2833097556).

Almost surely, 2^5666195111 is an apocalyptic number.

5666195111 is a deficient number, since it is larger than the sum of its proper divisors (1).

5666195111 is an equidigital number, since it uses as much as digits as its factorization.

5666195111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 41.

The square root of 5666195111 is about 75274.1330803617. The cubic root of 5666195111 is about 1782.7776259700. Note that the first 3 decimals are identical.

The spelling of 5666195111 in words is "five billion, six hundred sixty-six million, one hundred ninety-five thousand, one hundred eleven".