11143424242 has 8 divisors (see below), whose sum is σ = 16716877056. Its totient is φ = 5571131892.

The previous prime is 11143424239. The next prime is 11143424249. The reversal of 11143424242 is 24242434111.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11143424242.

It is not an unprimeable number, because it can be changed into a prime (11143424249) 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, 265698 + ... + 304765.

It is an arithmetic number, because the mean of its divisors is an integer number (2089609632).

Almost surely, 2^11143424242 is an apocalyptic number.

11143424242 is a deficient number, since it is larger than the sum of its proper divisors (5573452814).

11143424242 is an equidigital number, since it uses as much as digits as its factorization.

11143424242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580232.

The product of its digits is 6144, while the sum is 28.

Adding to 11143424242 its reverse (24242434111), we get a palindrome (35385858353).

The spelling of 11143424242 in words is "eleven billion, one hundred forty-three million, four hundred twenty-four thousand, two hundred forty-two".