205152025411 has 4 divisors (see below), whose sum is σ = 207143792752. Its totient is φ = 203160258072.

The previous prime is 205152025381. The next prime is 205152025427. The reversal of 205152025411 is 114520251502.

205152025411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 205152025411 - 2⁹ = 205152024899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 205152025411.

It is not an unprimeable number, because it can be changed into a prime (205152025471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 995883516 + ... + 995883721.

It is an arithmetic number, because the mean of its divisors is an integer number (51785948188).

Almost surely, 2^205152025411 is an apocalyptic number.

205152025411 is a deficient number, since it is larger than the sum of its proper divisors (1991767341).

205152025411 is a wasteful number, since it uses less digits than its factorization.

205152025411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991767340.

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 205152025411 its reverse (114520251502), we get a palindrome (319672276913).

The spelling of 205152025411 in words is "two hundred five billion, one hundred fifty-two million, twenty-five thousand, four hundred eleven".