11142342242 has 16 divisors (see below), whose sum is σ = 17327226240. Its totient is φ = 5367430992.

The previous prime is 11142342241. The next prime is 11142342247. The reversal of 11142342242 is 24224324111.

It is not an unprimeable number, because it can be changed into a prime (11142342241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180608 + ... + 234315.

It is an arithmetic number, because the mean of its divisors is an integer number (1082951640).

Almost surely, 2^11142342242 is an apocalyptic number.

11142342242 is a deficient number, since it is larger than the sum of its proper divisors (6184883998).

11142342242 is a wasteful number, since it uses less digits than its factorization.

11142342242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415417.

The product of its digits is 3072, while the sum is 26.

Adding to 11142342242 its reverse (24224324111), we get a palindrome (35366666353).

The spelling of 11142342242 in words is "eleven billion, one hundred forty-two million, three hundred forty-two thousand, two hundred forty-two".