11142350140 has 12 divisors (see below), whose sum is σ = 23398935336. Its totient is φ = 4456940048.

The previous prime is 11142350129. The next prime is 11142350147. The reversal of 11142350140 is 4105324111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11142350147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278558734 + ... + 278558773.

It is an arithmetic number, because the mean of its divisors is an integer number (1949911278).

Almost surely, 2^11142350140 is an apocalyptic number.

11142350140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11142350140 is an abundant number, since it is smaller than the sum of its proper divisors (12256585196).

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

11142350140 is a wasteful number, since it uses less digits than its factorization.

11142350140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557117516 (or 557117514 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 11142350140 its reverse (4105324111), we get a palindrome (15247674251).

The spelling of 11142350140 in words is "eleven billion, one hundred forty-two million, three hundred fifty thousand, one hundred forty".