11229918338 has 16 divisors (see below), whose sum is σ = 17023104504. Its totient is φ = 5555581440.

The previous prime is 11229918311. The next prime is 11229918373. The reversal of 11229918338 is 83381992211.

It is a happy number.

11229918338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7903743409 + 3326174929 = 88903^2 + 57673^2 .

It is a super-2 number, since 2×11229918338² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11229918292 and 11229918301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1197548 + ... + 1206888.

Almost surely, 2^11229918338 is an apocalyptic number.

11229918338 is a deficient number, since it is larger than the sum of its proper divisors (5793186166).

11229918338 is an equidigital number, since it uses as much as digits as its factorization.

11229918338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15637.

The product of its digits is 186624, while the sum is 47.

The spelling of 11229918338 in words is "eleven billion, two hundred twenty-nine million, nine hundred eighteen thousand, three hundred thirty-eight".