11001223232 has 14 divisors (see below), whose sum is σ = 21830552478. Its totient is φ = 5500611584.

The previous prime is 11001223217. The next prime is 11001223267. The reversal of 11001223232 is 23232210011.

It can be written as a sum of positive squares in only one way, i.e., 7704626176 + 3296597056 = 87776^2 + 57416^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11001223232.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85946993 + ... + 85947120.

It is an arithmetic number, because the mean of its divisors is an integer number (1559325177).

Almost surely, 2^11001223232 is an apocalyptic number.

It is an amenable number.

11001223232 is a deficient number, since it is larger than the sum of its proper divisors (10829329246).

11001223232 is an equidigital number, since it uses as much as digits as its factorization.

11001223232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171894125 (or 171894115 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11001223232 its reverse (23232210011), we get a palindrome (34233433243).

The spelling of 11001223232 in words is "eleven billion, one million, two hundred twenty-three thousand, two hundred thirty-two".