11324040142 has 4 divisors (see below), whose sum is σ = 16986060216. Its totient is φ = 5662020070.

The previous prime is 11324040139. The next prime is 11324040149. The reversal of 11324040142 is 24104042311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11324040149) by changing a digit.

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 as a sum of consecutive naturals, namely, 2831010034 + ... + 2831010037.

It is an arithmetic number, because the mean of its divisors is an integer number (4246515054).

Almost surely, 2^11324040142 is an apocalyptic number.

11324040142 is a deficient number, since it is larger than the sum of its proper divisors (5662020074).

11324040142 is an equidigital number, since it uses as much as digits as its factorization.

11324040142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5662020073.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 11324040142 its reverse (24104042311), we get a palindrome (35428082453).

The spelling of 11324040142 in words is "eleven billion, three hundred twenty-four million, forty thousand, one hundred forty-two".