11142353532 has 24 divisors (see below), whose sum is σ = 26256241872. Its totient is φ = 3677344000.

The previous prime is 11142353507. The next prime is 11142353533. The reversal of 11142353532 is 23535324111.

It is a self number, because there is not a number n which added to its sum of digits gives 11142353532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11142353533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4595469 + ... + 4597892.

It is an arithmetic number, because the mean of its divisors is an integer number (1094010078).

Almost surely, 2^11142353532 is an apocalyptic number.

11142353532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11142353532 is an abundant number, since it is smaller than the sum of its proper divisors (15113888340).

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

11142353532 is a wasteful number, since it uses less digits than its factorization.

11142353532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9193469 (or 9193467 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

Adding to 11142353532 its reverse (23535324111), we get a palindrome (34677677643).

The spelling of 11142353532 in words is "eleven billion, one hundred forty-two million, three hundred fifty-three thousand, five hundred thirty-two".