11142443042 has 8 divisors (see below), whose sum is σ = 17696821356. Its totient is φ = 5243502592.

The previous prime is 11142443003. The next prime is 11142443051. The reversal of 11142443042 is 24034424111.

It can be written as a sum of positive squares in 2 ways, for example, as 8584207801 + 2558235241 = 92651^2 + 50579^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163859423 + ... + 163859490.

Almost surely, 2^11142443042 is an apocalyptic number.

11142443042 is a deficient number, since it is larger than the sum of its proper divisors (6554378314).

11142443042 is a wasteful number, since it uses less digits than its factorization.

11142443042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327718932.

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

Adding to 11142443042 its reverse (24034424111), we get a palindrome (35176867153).

The spelling of 11142443042 in words is "eleven billion, one hundred forty-two million, four hundred forty-three thousand, forty-two".