605506066511 has 2 divisors, whose sum is σ = 605506066512. Its totient is φ = 605506066510.

The previous prime is 605506066493. The next prime is 605506066513. The reversal of 605506066511 is 115660605506.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 605506066511 - 2³⁰ = 604432324687 is a prime.

Together with 605506066513, 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 (605506066513) 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, 302753033255 + 302753033256.

It is an arithmetic number, because the mean of its divisors is an integer number (302753033256).

Almost surely, 2^605506066511 is an apocalyptic number.

605506066511 is a deficient number, since it is larger than the sum of its proper divisors (1).

605506066511 is an equidigital number, since it uses as much as digits as its factorization.

605506066511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 605506066511 in words is "six hundred five billion, five hundred six million, sixty-six thousand, five hundred eleven".