11305132544 has 80 divisors (see below), whose sum is σ = 24181264800. Its totient is φ = 5264031744.

The previous prime is 11305132543. The next prime is 11305132561. The reversal of 11305132544 is 44523150311.

It is not an unprimeable number, because it can be changed into a prime (11305132543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 564104 + ... + 583800.

It is an arithmetic number, because the mean of its divisors is an integer number (302265810).

Almost surely, 2^11305132544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11305132544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12090632400).

11305132544 is an abundant number, since it is smaller than the sum of its proper divisors (12876132256).

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

11305132544 is an equidigital number, since it uses as much as digits as its factorization.

11305132544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19793 (or 19777 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 11305132544 its reverse (44523150311), we get a palindrome (55828282855).

The spelling of 11305132544 in words is "eleven billion, three hundred five million, one hundred thirty-two thousand, five hundred forty-four".