11422131442 has 16 divisors (see below), whose sum is σ = 17695606680. Its totient is φ = 5526548352.

The previous prime is 11422131439. The next prime is 11422131481. The reversal of 11422131442 is 24413122411.

It can be written as a sum of positive squares in 4 ways, for example, as 11421410641 + 720801 = 106871^2 + 849^2 .

It is an unprimeable number.

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, 730317 + ... + 745792.

Almost surely, 2^11422131442 is an apocalyptic number.

11422131442 is a deficient number, since it is larger than the sum of its proper divisors (6273475238).

11422131442 is a wasteful number, since it uses less digits than its factorization.

11422131442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476237.

The product of its digits is 1536, while the sum is 25.

Adding to 11422131442 its reverse (24413122411), we get a palindrome (35835253853).

The spelling of 11422131442 in words is "eleven billion, four hundred twenty-two million, one hundred thirty-one thousand, four hundred forty-two".