11531182224 has 20 divisors (see below), whose sum is σ = 29788887536. Its totient is φ = 3843727392.

The previous prime is 11531182219. The next prime is 11531182237. The reversal of 11531182224 is 42228113511.

It is a happy number.

11531182224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11531182191 and 11531182200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120116434 + ... + 120116529.

Almost surely, 2^11531182224 is an apocalyptic number.

It is an amenable number.

11531182224 is an abundant number, since it is smaller than the sum of its proper divisors (18257705312).

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

11531182224 is a wasteful number, since it uses less digits than its factorization.

11531182224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240232974 (or 240232968 counting only the distinct ones).

The product of its digits is 3840, while the sum is 30.

Adding to 11531182224 its reverse (42228113511), we get a palindrome (53759295735).

The spelling of 11531182224 in words is "eleven billion, five hundred thirty-one million, one hundred eighty-two thousand, two hundred twenty-four".