11142343140 has 48 divisors (see below), whose sum is σ = 31252728192. Its totient is φ = 2966132736.

The previous prime is 11142343097. The next prime is 11142343171. The reversal of 11142343140 is 4134324111.

It is a self number, because there is not a number n which added to its sum of digits gives 11142343140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126304 + ... + 195543.

It is an arithmetic number, because the mean of its divisors is an integer number (651098504).

Almost surely, 2^11142343140 is an apocalyptic number.

11142343140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11142343140 is an abundant number, since it is smaller than the sum of its proper divisors (20110385052).

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

11142343140 is a wasteful number, since it uses less digits than its factorization.

11142343140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322436 (or 322434 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 11142343140 its reverse (4134324111), we get a palindrome (15276667251).

The spelling of 11142343140 in words is "eleven billion, one hundred forty-two million, three hundred forty-three thousand, one hundred forty".