11321047533 has 8 divisors (see below), whose sum is σ = 15889189600. Its totient is φ = 7150135248.

The previous prime is 11321047481. The next prime is 11321047537. The reversal of 11321047533 is 33574012311.

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

It is not a de Polignac number, because 11321047533 - 2¹⁰ = 11321046509 is a prime.

It is a super-3 number, since 3×11321047533³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11321047533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321047537) 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, 99307378 + ... + 99307491.

It is an arithmetic number, because the mean of its divisors is an integer number (1986148700).

Almost surely, 2^11321047533 is an apocalyptic number.

It is an amenable number.

11321047533 is a deficient number, since it is larger than the sum of its proper divisors (4568142067).

11321047533 is a wasteful number, since it uses less digits than its factorization.

11321047533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198614891.

The product of its (nonzero) digits is 7560, while the sum is 30.

Adding to 11321047533 its reverse (33574012311), we get a palindrome (44895059844).

The spelling of 11321047533 in words is "eleven billion, three hundred twenty-one million, forty-seven thousand, five hundred thirty-three".