11321403320 has 16 divisors (see below), whose sum is σ = 25473157560. Its totient is φ = 4528561312.

The previous prime is 11321403319. The next prime is 11321403347. The reversal of 11321403320 is 2330412311.

It is a super-3 number, since 3×11321403320³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11321403292 and 11321403301.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 141517502 + ... + 141517581.

Almost surely, 2^11321403320 is an apocalyptic number.

11321403320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11321403320 is an abundant number, since it is smaller than the sum of its proper divisors (14151754240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11321403320 is a wasteful number, since it uses less digits than its factorization.

11321403320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283035094 (or 283035090 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11321403320 its reverse (2330412311), we get a palindrome (13651815631).

The spelling of 11321403320 in words is "eleven billion, three hundred twenty-one million, four hundred three thousand, three hundred twenty".