11142174422 has 4 divisors (see below), whose sum is σ = 16713261636. Its totient is φ = 5571087210.

The previous prime is 11142174409. The next prime is 11142174431. The reversal of 11142174422 is 22447124111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22447124111 = 140171 ⋅160141.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2785543604 + ... + 2785543607.

It is an arithmetic number, because the mean of its divisors is an integer number (4178315409).

Almost surely, 2^11142174422 is an apocalyptic number.

11142174422 is a deficient number, since it is larger than the sum of its proper divisors (5571087214).

11142174422 is an equidigital number, since it uses as much as digits as its factorization.

11142174422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5571087213.

The product of its digits is 3584, while the sum is 29.

Adding to 11142174422 its reverse (22447124111), we get a palindrome (33589298533).

The spelling of 11142174422 in words is "eleven billion, one hundred forty-two million, one hundred seventy-four thousand, four hundred twenty-two".