11255224213 has 16 divisors (see below), whose sum is σ = 11919591936. Its totient is φ = 10614801600.

The previous prime is 11255224159. The next prime is 11255224217. The reversal of 11255224213 is 31242255211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11255224213 - 2⁹ = 11255223701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11255224217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128188 + ... + 197338.

It is an arithmetic number, because the mean of its divisors is an integer number (744974496).

Almost surely, 2^11255224213 is an apocalyptic number.

It is an amenable number.

11255224213 is a deficient number, since it is larger than the sum of its proper divisors (664367723).

11255224213 is an equidigital number, since it uses as much as digits as its factorization.

11255224213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69324.

The product of its digits is 4800, while the sum is 28.

Adding to 11255224213 its reverse (31242255211), we get a palindrome (42497479424).

The spelling of 11255224213 in words is "eleven billion, two hundred fifty-five million, two hundred twenty-four thousand, two hundred thirteen".