11773231226 has 8 divisors (see below), whose sum is σ = 17674361460. Its totient is φ = 5881777408.

The previous prime is 11773231219. The next prime is 11773231229. The reversal of 11773231226 is 62213237711.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9920359201 + 1852872025 = 99601^2 + 43045^2 .

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

It is a super-2 number, since 2×11773231226² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11773231229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2416061 + ... + 2420928.

Almost surely, 2^11773231226 is an apocalyptic number.

11773231226 is a deficient number, since it is larger than the sum of its proper divisors (5901130234).

11773231226 is a wasteful number, since it uses less digits than its factorization.

11773231226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4838208.

The product of its digits is 21168, while the sum is 35.

Adding to 11773231226 its reverse (62213237711), we get a palindrome (73986468937).

The spelling of 11773231226 in words is "eleven billion, seven hundred seventy-three million, two hundred thirty-one thousand, two hundred twenty-six".