11221534432 has 24 divisors (see below), whose sum is σ = 22097491416. Its totient is φ = 5609473152.

The previous prime is 11221534417. The next prime is 11221534447. The reversal of 11221534432 is 23443512211.

It is an interprime number because it is at equal distance from previous prime (11221534417) and next prime (11221534447).

It is a self number, because there is not a number n which added to its sum of digits gives 11221534432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108963 + ... + 185245.

It is an arithmetic number, because the mean of its divisors is an integer number (920728809).

Almost surely, 2^11221534432 is an apocalyptic number.

It is an amenable number.

11221534432 is a deficient number, since it is larger than the sum of its proper divisors (10875956984).

11221534432 is an equidigital number, since it uses as much as digits as its factorization.

11221534432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80890 (or 80882 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The spelling of 11221534432 in words is "eleven billion, two hundred twenty-one million, five hundred thirty-four thousand, four hundred thirty-two".