11143242142 has 8 divisors (see below), whose sum is σ = 16926444000. Its totient is φ = 5501094144.

The previous prime is 11143242139. The next prime is 11143242179. The reversal of 11143242142 is 24124234111.

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

It is a congruent number.

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, 35263267 + ... + 35263582.

It is an arithmetic number, because the mean of its divisors is an integer number (2115805500).

Almost surely, 2^11143242142 is an apocalyptic number.

11143242142 is a deficient number, since it is larger than the sum of its proper divisors (5783201858).

11143242142 is an equidigital number, since it uses as much as digits as its factorization.

11143242142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70526930.

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

Adding to 11143242142 its reverse (24124234111), we get a palindrome (35267476253).

The spelling of 11143242142 in words is "eleven billion, one hundred forty-three million, two hundred forty-two thousand, one hundred forty-two".