11161226 has 4 divisors (see below), whose sum is σ = 16741842. Its totient is φ = 5580612.

The previous prime is 11161219. The next prime is 11161229. The reversal of 11161226 is 62216111.

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

It can be written as a sum of positive squares in only one way, i.e., 6255001 + 4906225 = 2501^2 + 2215^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11161198 and 11161207.

It is not an unprimeable number, because it can be changed into a prime (11161229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2790305 + ... + 2790308.

Almost surely, 2^11161226 is an apocalyptic number.

11161226 is a deficient number, since it is larger than the sum of its proper divisors (5580616).

11161226 is an equidigital number, since it uses as much as digits as its factorization.

11161226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5580615.

The product of its digits is 144, while the sum is 20.

The square root of 11161226 is about 3340.8421094089. The cubic root of 11161226 is about 223.4792991486.

Adding to 11161226 its reverse (62216111), we get a palindrome (73377337).

The spelling of 11161226 in words is "eleven million, one hundred sixty-one thousand, two hundred twenty-six".