205203254255 has 8 divisors (see below), whose sum is σ = 246941482032. Its totient is φ = 163697552128.

The previous prime is 205203254239. The next prime is 205203254273. The reversal of 205203254255 is 552452302502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 205203254255 - 2⁴ = 205203254239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 58129469 + ... + 58132998.

It is an arithmetic number, because the mean of its divisors is an integer number (30867685254).

Almost surely, 2^205203254255 is an apocalyptic number.

205203254255 is a deficient number, since it is larger than the sum of its proper divisors (41738227777).

205203254255 is a wasteful number, since it uses less digits than its factorization.

205203254255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116262825.

The product of its (nonzero) digits is 120000, while the sum is 35.

Adding to 205203254255 its reverse (552452302502), we get a palindrome (757655556757).

The spelling of 205203254255 in words is "two hundred five billion, two hundred three million, two hundred fifty-four thousand, two hundred fifty-five".