11123225266 has 4 divisors (see below), whose sum is σ = 16684837902. Its totient is φ = 5561612632.

The previous prime is 11123225261. The next prime is 11123225279. The reversal of 11123225266 is 66252232111.

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., 7459949641 + 3663275625 = 86371^2 + 60525^2 .

It is a super-2 number, since 2×11123225266² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11123225261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2780806315 + ... + 2780806318.

Almost surely, 2^11123225266 is an apocalyptic number.

11123225266 is a deficient number, since it is larger than the sum of its proper divisors (5561612636).

11123225266 is an equidigital number, since it uses as much as digits as its factorization.

11123225266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5561612635.

The product of its digits is 8640, while the sum is 31.

Adding to 11123225266 its reverse (66252232111), we get a palindrome (77375457377).

The spelling of 11123225266 in words is "eleven billion, one hundred twenty-three million, two hundred twenty-five thousand, two hundred sixty-six".