11304203140 has 48 divisors (see below), whose sum is σ = 25081358400. Its totient is φ = 4267734912.

The previous prime is 11304203063. The next prime is 11304203149. The reversal of 11304203140 is 4130240311.

It is a super-3 number, since 3×11304203140³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (11304203149) 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, 46927 + ... + 157513.

It is an arithmetic number, because the mean of its divisors is an integer number (522528300).

Almost surely, 2^11304203140 is an apocalyptic number.

11304203140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11304203140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12540679200).

11304203140 is an abundant number, since it is smaller than the sum of its proper divisors (13777155260).

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

11304203140 is a wasteful number, since it uses less digits than its factorization.

11304203140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110884 (or 110882 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11304203140 its reverse (4130240311), we get a palindrome (15434443451).

The spelling of 11304203140 in words is "eleven billion, three hundred four million, two hundred three thousand, one hundred forty".