11324401533 has 16 divisors (see below), whose sum is σ = 16802847360. Its totient is φ = 7537920768.

The previous prime is 11324401513. The next prime is 11324401537. The reversal of 11324401533 is 33510442311.

It is a happy number.

It is not a de Polignac number, because 11324401533 - 2⁹ = 11324401021 is a prime.

It is a super-4 number, since 4×11324401533⁴ (a number of 41 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 11324401497 and 11324401506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11324401537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306660 + ... + 341597.

It is an arithmetic number, because the mean of its divisors is an integer number (1050177960).

Almost surely, 2^11324401533 is an apocalyptic number.

It is an amenable number.

11324401533 is a deficient number, since it is larger than the sum of its proper divisors (5478445827).

11324401533 is an equidigital number, since it uses as much as digits as its factorization.

11324401533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648913 (or 648907 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 11324401533 its reverse (33510442311), we get a palindrome (44834843844).

The spelling of 11324401533 in words is "eleven billion, three hundred twenty-four million, four hundred one thousand, five hundred thirty-three".