11303044000 has 120 divisors (see below), whose sum is σ = 28465868340. Its totient is φ = 4410944000.

The previous prime is 11303043971. The next prime is 11303044009. The reversal of 11303044000 is 44030311.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 10 ways, for example, as 11005688464 + 297355536 = 104908^2 + 17244^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (11303044009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 275683980 + ... + 275684020.

Almost surely, 2^11303044000 is an apocalyptic number.

11303044000 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 11303044000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14232934170).

11303044000 is an abundant number, since it is smaller than the sum of its proper divisors (17162824340).

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

11303044000 is an frugal number, since it uses more digits than its factorization.

11303044000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 11303044000 its reverse (44030311), we get a palindrome (11347074311).

The spelling of 11303044000 in words is "eleven billion, three hundred three million, forty-four thousand".