11656441226 has 4 divisors (see below), whose sum is σ = 17484661842. Its totient is φ = 5828220612.

The previous prime is 11656441207. The next prime is 11656441267. The reversal of 11656441226 is 62214465611.

It is a happy number.

11656441226 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 107965²+1.

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., 11656441225 + 1 = 107965^2 + 1^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11656441226.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2914110305 + ... + 2914110308.

Almost surely, 2^11656441226 is an apocalyptic number.

11656441226 is a deficient number, since it is larger than the sum of its proper divisors (5828220616).

11656441226 is an equidigital number, since it uses as much as digits as its factorization.

11656441226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5828220615.

The product of its digits is 69120, while the sum is 38.

The spelling of 11656441226 in words is "eleven billion, six hundred fifty-six million, four hundred forty-one thousand, two hundred twenty-six".