205053413113 has 4 divisors (see below), whose sum is σ = 207083645028. Its totient is φ = 203023181200.

The previous prime is 205053413093. The next prime is 205053413153. The reversal of 205053413113 is 311314350502.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 201109196304 + 3944216809 = 448452^2 + 62803^2 .

It is a cyclic number.

It is not a de Polignac number, because 205053413113 - 2⁹ = 205053412601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205053413153) 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 in 3 ways as a sum of consecutive naturals, for example, 1015115806 + ... + 1015116007.

It is an arithmetic number, because the mean of its divisors is an integer number (51770911257).

Almost surely, 2^205053413113 is an apocalyptic number.

It is an amenable number.

205053413113 is a deficient number, since it is larger than the sum of its proper divisors (2030231915).

205053413113 is a wasteful number, since it uses less digits than its factorization.

205053413113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030231914.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 205053413113 its reverse (311314350502), we get a palindrome (516367763615).

The spelling of 205053413113 in words is "two hundred five billion, fifty-three million, four hundred thirteen thousand, one hundred thirteen".