11203043320 has 64 divisors (see below), whose sum is σ = 30060357120. Its totient is φ = 3674039424.

The previous prime is 11203043317. The next prime is 11203043339. The reversal of 11203043320 is 2334030211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 863362 + ... + 876241.

It is an arithmetic number, because the mean of its divisors is an integer number (469693080).

Almost surely, 2^11203043320 is an apocalyptic number.

11203043320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11203043320 is an abundant number, since it is smaller than the sum of its proper divisors (18857313800).

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

11203043320 is a wasteful number, since it uses less digits than its factorization.

11203043320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1739644 (or 1739640 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 11203043320 its reverse (2334030211), we get a palindrome (13537073531).

The spelling of 11203043320 in words is "eleven billion, two hundred three million, forty-three thousand, three hundred twenty".