205055045113 has 2 divisors, whose sum is σ = 205055045114. Its totient is φ = 205055045112.

The previous prime is 205055045059. The next prime is 205055045141. The reversal of 205055045113 is 311540550502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 169436787129 + 35618257984 = 411627^2 + 188728^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-205055045113 is a prime.

It is not a weakly prime, because it can be changed into another prime (205055045513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102527522556 + 102527522557.

It is an arithmetic number, because the mean of its divisors is an integer number (102527522557).

Almost surely, 2^205055045113 is an apocalyptic number.

It is an amenable number.

205055045113 is a deficient number, since it is larger than the sum of its proper divisors (1).

205055045113 is an equidigital number, since it uses as much as digits as its factorization.

205055045113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15000, while the sum is 31.

Adding to 205055045113 its reverse (311540550502), we get a palindrome (516595595615).

The spelling of 205055045113 in words is "two hundred five billion, fifty-five million, forty-five thousand, one hundred thirteen".