203210503352255 has 24 divisors (see below), whose sum is σ = 291332411637792. Its totient is φ = 133285895354304.

The previous prime is 203210503352239. The next prime is 203210503352273. The reversal of 203210503352255 is 552253305012302.

It is not a de Polignac number, because 203210503352255 - 2⁴ = 203210503352239 is a prime.

It is a super-2 number, since 2×203210503352255² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5487707744 + ... + 5487744773.

It is an arithmetic number, because the mean of its divisors is an integer number (12138850484908).

Almost surely, 2^{203210503352255} is an apocalyptic number.

203210503352255 is a deficient number, since it is larger than the sum of its proper divisors (88121908285537).

203210503352255 is a wasteful number, since it uses less digits than its factorization.

203210503352255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10975452575 (or 10975452552 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 38.

Adding to 203210503352255 its reverse (552253305012302), we get a palindrome (755463808364557).

The spelling of 203210503352255 in words is "two hundred three trillion, two hundred ten billion, five hundred three million, three hundred fifty-two thousand, two hundred fifty-five".