206505060059 has 2 divisors, whose sum is σ = 206505060060. Its totient is φ = 206505060058.

The previous prime is 206505060053. The next prime is 206505060061. The reversal of 206505060059 is 950060505602.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206505060059 is a prime.

Together with 206505060061, 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 (206505060053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103252530029 + 103252530030.

It is an arithmetic number, because the mean of its divisors is an integer number (103252530030).

Almost surely, 2^206505060059 is an apocalyptic number.

206505060059 is a deficient number, since it is larger than the sum of its proper divisors (1).

206505060059 is an equidigital number, since it uses as much as digits as its factorization.

206505060059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81000, while the sum is 38.

The spelling of 206505060059 in words is "two hundred six billion, five hundred five million, sixty thousand, fifty-nine".