206135060063 has 2 divisors, whose sum is σ = 206135060064. Its totient is φ = 206135060062.

The previous prime is 206135060057. The next prime is 206135060093. The reversal of 206135060063 is 360060531602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 206135060063 - 2²⁰ = 206134011487 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206135060093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103067530031 + 103067530032.

It is an arithmetic number, because the mean of its divisors is an integer number (103067530032).

Almost surely, 2^206135060063 is an apocalyptic number.

206135060063 is a deficient number, since it is larger than the sum of its proper divisors (1).

206135060063 is an equidigital number, since it uses as much as digits as its factorization.

206135060063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 32.

Adding to 206135060063 its reverse (360060531602), we get a palindrome (566195591665).

The spelling of 206135060063 in words is "two hundred six billion, one hundred thirty-five million, sixty thousand, sixty-three".