11243433442 has 4 divisors (see below), whose sum is σ = 16865150166. Its totient is φ = 5621716720.

The previous prime is 11243433373. The next prime is 11243433499. The reversal of 11243433442 is 24433434211.

11243433442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24433434211 = 7717 ⋅3166183.

It can be written as a sum of positive squares in only one way, i.e., 6240842001 + 5002591441 = 78999^2 + 70729^2 .

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 as a sum of consecutive naturals, namely, 2810858359 + ... + 2810858362.

Almost surely, 2^11243433442 is an apocalyptic number.

11243433442 is a deficient number, since it is larger than the sum of its proper divisors (5621716724).

11243433442 is an equidigital number, since it uses as much as digits as its factorization.

11243433442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5621716723.

The product of its digits is 27648, while the sum is 31.

Adding to 11243433442 its reverse (24433434211), we get a palindrome (35676867653).

The spelling of 11243433442 in words is "eleven billion, two hundred forty-three million, four hundred thirty-three thousand, four hundred forty-two".