206225243136611 has 2 divisors, whose sum is σ = 206225243136612. Its totient is φ = 206225243136610.

The previous prime is 206225243136527. The next prime is 206225243136613. The reversal of 206225243136611 is 116631342522602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 206225243136611 - 2¹⁸ = 206225242874467 is a prime.

Together with 206225243136613, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (206225243136613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103112621568305 + 103112621568306.

It is an arithmetic number, because the mean of its divisors is an integer number (103112621568306).

Almost surely, 2^{206225243136611} is an apocalyptic number.

206225243136611 is a deficient number, since it is larger than the sum of its proper divisors (1).

206225243136611 is an equidigital number, since it uses as much as digits as its factorization.

206225243136611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 206225243136611 in words is "two hundred six trillion, two hundred twenty-five billion, two hundred forty-three million, one hundred thirty-six thousand, six hundred eleven".