11142331232 has 36 divisors (see below), whose sum is σ = 22931726580. Its totient is φ = 5328932928.

The previous prime is 11142331169. The next prime is 11142331261. The reversal of 11142331232 is 23213324111.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 11142331198 and 11142331207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 312182 + ... + 346037.

It is an arithmetic number, because the mean of its divisors is an integer number (636992405).

Almost surely, 2^11142331232 is an apocalyptic number.

It is an amenable number.

11142331232 is an abundant number, since it is smaller than the sum of its proper divisors (11789395348).

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

11142331232 is an equidigital number, since it uses as much as digits as its factorization.

11142331232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658275 (or 658244 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

Adding to 11142331232 its reverse (23213324111), we get a palindrome (34355655343).

The spelling of 11142331232 in words is "eleven billion, one hundred forty-two million, three hundred thirty-one thousand, two hundred thirty-two".