206305036253305 has 16 divisors (see below), whose sum is σ = 271442971571904. Its totient is φ = 149278401858880.

The previous prime is 206305036253299. The next prime is 206305036253377. The reversal of 206305036253305 is 503352630503602.

206305036253305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 206305036253305 - 2⁷ = 206305036253177 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9520295407 + ... + 9520317076.

It is an arithmetic number, because the mean of its divisors is an integer number (16965185723244).

Almost surely, 2^{206305036253305} is an apocalyptic number.

It is an amenable number.

206305036253305 is a deficient number, since it is larger than the sum of its proper divisors (65137935318599).

206305036253305 is a wasteful number, since it uses less digits than its factorization.

206305036253305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19040612696.

The product of its (nonzero) digits is 1458000, while the sum is 43.

Adding to 206305036253305 its reverse (503352630503602), we get a palindrome (709657666756907).

The spelling of 206305036253305 in words is "two hundred six trillion, three hundred five billion, thirty-six million, two hundred fifty-three thousand, three hundred five".