205513324112 has 10 divisors (see below), whose sum is σ = 398182065498. Its totient is φ = 102756662048.

The previous prime is 205513324103. The next prime is 205513324171. The reversal of 205513324112 is 211423315502.

205513324112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 194961103936 + 10552220176 = 441544^2 + 102724^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6422291363 + ... + 6422291394.

Almost surely, 2^205513324112 is an apocalyptic number.

It is an amenable number.

205513324112 is a deficient number, since it is larger than the sum of its proper divisors (192668741386).

205513324112 is a wasteful number, since it uses less digits than its factorization.

205513324112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12844582765 (or 12844582759 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 205513324112 its reverse (211423315502), we get a palindrome (416936639614).

The spelling of 205513324112 in words is "two hundred five billion, five hundred thirteen million, three hundred twenty-four thousand, one hundred twelve".