11155122226 has 8 divisors (see below), whose sum is σ = 16735590144. Its totient is φ = 5576592180.

The previous prime is 11155122197. The next prime is 11155122227. The reversal of 11155122226 is 62222155111.

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

It is a junction number, because it is equal to n+sod(n) for n = 11155122194 and 11155122203.

It is not an unprimeable number, because it can be changed into a prime (11155122227) 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, 469990 + ... + 493153.

It is an arithmetic number, because the mean of its divisors is an integer number (2091948768).

Almost surely, 2^11155122226 is an apocalyptic number.

11155122226 is a deficient number, since it is larger than the sum of its proper divisors (5580467918).

11155122226 is an equidigital number, since it uses as much as digits as its factorization.

11155122226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968936.

The product of its digits is 2400, while the sum is 28.

Adding to 11155122226 its reverse (62222155111), we get a palindrome (73377277337).

The spelling of 11155122226 in words is "eleven billion, one hundred fifty-five million, one hundred twenty-two thousand, two hundred twenty-six".