11324552421 has 16 divisors (see below), whose sum is σ = 18583881344. Its totient is φ = 5973390144.

The previous prime is 11324552383. The next prime is 11324552423. The reversal of 11324552421 is 12425542311.

It is not a de Polignac number, because 11324552421 - 2¹³ = 11324544229 is a prime.

It is a super-2 number, since 2×11324552421² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11324552423) 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, 20740666 + ... + 20741211.

It is an arithmetic number, because the mean of its divisors is an integer number (1161492584).

Almost surely, 2^11324552421 is an apocalyptic number.

It is an amenable number.

11324552421 is a deficient number, since it is larger than the sum of its proper divisors (7259328923).

11324552421 is a wasteful number, since it uses less digits than its factorization.

11324552421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41481900.

The product of its digits is 9600, while the sum is 30.

The spelling of 11324552421 in words is "eleven billion, three hundred twenty-four million, five hundred fifty-two thousand, four hundred twenty-one".