206416441111 has 2 divisors, whose sum is σ = 206416441112. Its totient is φ = 206416441110.

The previous prime is 206416441067. The next prime is 206416441117. The reversal of 206416441111 is 111144614602.

It is a happy number.

206416441111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 206416441111 - 2⁷ = 206416440983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206416441117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103208220555 + 103208220556.

It is an arithmetic number, because the mean of its divisors is an integer number (103208220556).

Almost surely, 2^206416441111 is an apocalyptic number.

206416441111 is a deficient number, since it is larger than the sum of its proper divisors (1).

206416441111 is an equidigital number, since it uses as much as digits as its factorization.

206416441111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 31.

The spelling of 206416441111 in words is "two hundred six billion, four hundred sixteen million, four hundred forty-one thousand, one hundred eleven".