255243124211 has 4 divisors (see below), whose sum is σ = 255255138312. Its totient is φ = 255231110112.

The previous prime is 255243124153. The next prime is 255243124219. The reversal of 255243124211 is 112421342552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255243124211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255243124219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5975126 + ... + 6017691.

It is an arithmetic number, because the mean of its divisors is an integer number (63813784578).

Almost surely, 2^255243124211 is an apocalyptic number.

255243124211 is a deficient number, since it is larger than the sum of its proper divisors (12014101).

255243124211 is a wasteful number, since it uses less digits than its factorization.

255243124211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12014100.

The product of its digits is 19200, while the sum is 32.

Adding to 255243124211 its reverse (112421342552), we get a palindrome (367664466763).

The spelling of 255243124211 in words is "two hundred fifty-five billion, two hundred forty-three million, one hundred twenty-four thousand, two hundred eleven".