11115643226 has 8 divisors (see below), whose sum is σ = 17551015680. Its totient is φ = 5265304668.

The previous prime is 11115643223. The next prime is 11115643277. The reversal of 11115643226 is 62234651111.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11115643192 and 11115643201.

It is not an unprimeable number, because it can be changed into a prime (11115643223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146258426 + ... + 146258501.

It is an arithmetic number, because the mean of its divisors is an integer number (2193876960).

Almost surely, 2^11115643226 is an apocalyptic number.

11115643226 is a deficient number, since it is larger than the sum of its proper divisors (6435372454).

11115643226 is a wasteful number, since it uses less digits than its factorization.

11115643226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292516948.

The product of its digits is 8640, while the sum is 32.

The spelling of 11115643226 in words is "eleven billion, one hundred fifteen million, six hundred forty-three thousand, two hundred twenty-six".