11221133543 has 8 divisors (see below), whose sum is σ = 11884240368. Its totient is φ = 10558364544.

The previous prime is 11221133537. The next prime is 11221133603. The reversal of 11221133543 is 34533112211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11221133543 - 2⁴ = 11221133527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221133513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14396 + ... + 150497.

It is an arithmetic number, because the mean of its divisors is an integer number (1485530046).

Almost surely, 2^11221133543 is an apocalyptic number.

11221133543 is a deficient number, since it is larger than the sum of its proper divisors (663106825).

11221133543 is a wasteful number, since it uses less digits than its factorization.

11221133543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168913.

The product of its digits is 2160, while the sum is 26.

Adding to 11221133543 its reverse (34533112211), we get a palindrome (45754245754).

The spelling of 11221133543 in words is "eleven billion, two hundred twenty-one million, one hundred thirty-three thousand, five hundred forty-three".