11144243616426 has 12 divisors (see below), whose sum is σ = 24145861168962. Its totient is φ = 3714747872136.

The previous prime is 11144243616421. The next prime is 11144243616449. The reversal of 11144243616426 is 62461634244111.

It is a happy number.

11144243616426 is a `hidden beast` number, since 1 + 1 + 1 + 4 + 4 + 2 + 4 + 3 + 616 + 4 + 26 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7483775451201 + 3660468165225 = 2735649^2 + 1913235^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11144243616421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 309562322661 + ... + 309562322696.

Almost surely, 2^{11144243616426} is an apocalyptic number.

11144243616426 is an abundant number, since it is smaller than the sum of its proper divisors (13001617552536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11144243616426 is a wasteful number, since it uses less digits than its factorization.

11144243616426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619124645365 (or 619124645362 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The spelling of 11144243616426 in words is "eleven trillion, one hundred forty-four billion, two hundred forty-three million, six hundred sixteen thousand, four hundred twenty-six".