605552206111 has 2 divisors, whose sum is σ = 605552206112. Its totient is φ = 605552206110.

The previous prime is 605552206109. The next prime is 605552206141. The reversal of 605552206111 is 111602255506.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 605552206111 - 2¹ = 605552206109 is a prime.

Together with 605552206109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605552206141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302776103055 + 302776103056.

It is an arithmetic number, because the mean of its divisors is an integer number (302776103056).

Almost surely, 2^605552206111 is an apocalyptic number.

605552206111 is a deficient number, since it is larger than the sum of its proper divisors (1).

605552206111 is an equidigital number, since it uses as much as digits as its factorization.

605552206111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 34.

The spelling of 605552206111 in words is "six hundred five billion, five hundred fifty-two million, two hundred six thousand, one hundred eleven".