255435215203 has 4 divisors (see below), whose sum is σ = 291925960240. Its totient is φ = 218944470168.

The previous prime is 255435215093. The next prime is 255435215213. The reversal of 255435215203 is 302512534552.

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 255435215203 - 2⁹ = 255435214691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255435215213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18245372508 + ... + 18245372521.

It is an arithmetic number, because the mean of its divisors is an integer number (72981490060).

Almost surely, 2^255435215203 is an apocalyptic number.

255435215203 is a deficient number, since it is larger than the sum of its proper divisors (36490745037).

255435215203 is an equidigital number, since it uses as much as digits as its factorization.

255435215203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36490745036.

The product of its (nonzero) digits is 180000, while the sum is 37.

Adding to 255435215203 its reverse (302512534552), we get a palindrome (557947749755).

The spelling of 255435215203 in words is "two hundred fifty-five billion, four hundred thirty-five million, two hundred fifteen thousand, two hundred three".