11532241228 has 12 divisors (see below), whose sum is σ = 20269552240. Its totient is φ = 5740940592.

The previous prime is 11532241213. The next prime is 11532241229. The reversal of 11532241228 is 82214223511.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11532241228.

It is not an unprimeable number, because it can be changed into a prime (11532241229) 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, 6293976 + ... + 6295807.

Almost surely, 2^11532241228 is an apocalyptic number.

It is an amenable number.

11532241228 is a deficient number, since it is larger than the sum of its proper divisors (8737311012).

11532241228 is a wasteful number, since it uses less digits than its factorization.

11532241228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12590016 (or 12590014 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

Adding to 11532241228 its reverse (82214223511), we get a palindrome (93746464739).

The spelling of 11532241228 in words is "eleven billion, five hundred thirty-two million, two hundred forty-one thousand, two hundred twenty-eight".