200591666111 has 2 divisors, whose sum is σ = 200591666112. Its totient is φ = 200591666110.

The previous prime is 200591666059. The next prime is 200591666113. The reversal of 200591666111 is 111666195002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200591666111 is a prime.

Together with 200591666113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200591666113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100295833055 + 100295833056.

It is an arithmetic number, because the mean of its divisors is an integer number (100295833056).

Almost surely, 2^200591666111 is an apocalyptic number.

200591666111 is a deficient number, since it is larger than the sum of its proper divisors (1).

200591666111 is an equidigital number, since it uses as much as digits as its factorization.

200591666111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 38.

The spelling of 200591666111 in words is "two hundred billion, five hundred ninety-one million, six hundred sixty-six thousand, one hundred eleven".