11428412242 has 16 divisors (see below), whose sum is σ = 18911558232. Its totient is φ = 5146001280.

The previous prime is 11428412209. The next prime is 11428412243. The reversal of 11428412242 is 24221482411.

It can be written as a sum of positive squares in 4 ways, for example, as 7767073161 + 3661339081 = 88131^2 + 60509^2 .

It is not an unprimeable number, because it can be changed into a prime (11428412243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5359353 + ... + 5361484.

Almost surely, 2^11428412242 is an apocalyptic number.

11428412242 is a deficient number, since it is larger than the sum of its proper divisors (7483145990).

11428412242 is a wasteful number, since it uses less digits than its factorization.

11428412242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10720893.

The product of its digits is 8192, while the sum is 31.

Adding to 11428412242 its reverse (24221482411), we get a palindrome (35649894653).

The spelling of 11428412242 in words is "eleven billion, four hundred twenty-eight million, four hundred twelve thousand, two hundred forty-two".