205263125425113 has 16 divisors (see below), whose sum is σ = 313186539206016. Its totient is φ = 117141476855040.

The previous prime is 205263125425103. The next prime is 205263125425133. The reversal of 205263125425113 is 311524521362502.

It is not a de Polignac number, because 205263125425113 - 2¹⁸ = 205263125162969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (205263125425103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6322386448 + ... + 6322418913.

It is an arithmetic number, because the mean of its divisors is an integer number (19574158700376).

Almost surely, 2^{205263125425113} is an apocalyptic number.

It is an amenable number.

205263125425113 is a deficient number, since it is larger than the sum of its proper divisors (107923413780903).

205263125425113 is a wasteful number, since it uses less digits than its factorization.

205263125425113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12644806144.

The product of its (nonzero) digits is 432000, while the sum is 42.

Adding to 205263125425113 its reverse (311524521362502), we get a palindrome (516787646787615).

The spelling of 205263125425113 in words is "two hundred five trillion, two hundred sixty-three billion, one hundred twenty-five million, four hundred twenty-five thousand, one hundred thirteen".