11321415320 has 16 divisors (see below), whose sum is σ = 25473184560. Its totient is φ = 4528566112.

The previous prime is 11321415317. The next prime is 11321415331. The reversal of 11321415320 is 2351412311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141517652 + ... + 141517731.

It is an arithmetic number, because the mean of its divisors is an integer number (1592074035).

Almost surely, 2^11321415320 is an apocalyptic number.

11321415320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11321415320 is an abundant number, since it is smaller than the sum of its proper divisors (14151769240).

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

11321415320 is a wasteful number, since it uses less digits than its factorization.

11321415320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283035394 (or 283035390 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 11321415320 its reverse (2351412311), we get a palindrome (13672827631).

The spelling of 11321415320 in words is "eleven billion, three hundred twenty-one million, four hundred fifteen thousand, three hundred twenty".