11142140768 has 36 divisors (see below), whose sum is σ = 24111577980. Its totient is φ = 5064607680.

The previous prime is 11142140761. The next prime is 11142140773. The reversal of 11142140768 is 86704124111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11142140761) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1434938 + ... + 1442681.

It is an arithmetic number, because the mean of its divisors is an integer number (669766055).

Almost surely, 2^11142140768 is an apocalyptic number.

It is an amenable number.

11142140768 is an abundant number, since it is smaller than the sum of its proper divisors (12969437212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11142140768 is a wasteful number, since it uses less digits than its factorization.

11142140768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877651 (or 2877632 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 35.

Adding to 11142140768 its reverse (86704124111), we get a palindrome (97846264879).

The spelling of 11142140768 in words is "eleven billion, one hundred forty-two million, one hundred forty thousand, seven hundred sixty-eight".