11303220132 has 72 divisors (see below), whose sum is σ = 29376719736. Its totient is φ = 3661853184.

The previous prime is 11303220079. The next prime is 11303220139. The reversal of 11303220132 is 23102230311.

11303220132 is a `hidden beast` number, since 11 + 303 + 220 + 132 = 666.

11303220132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 29877156 + 11273342976 = 5466^2 + 106176^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11303220139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1345128 + ... + 1353504.

Almost surely, 2^11303220132 is an apocalyptic number.

11303220132 is a gapful number since it is divisible by the number (12) 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 11303220132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14688359868).

11303220132 is an abundant number, since it is smaller than the sum of its proper divisors (18073499604).

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

11303220132 is a wasteful number, since it uses less digits than its factorization.

11303220132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9437 (or 9432 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11303220132 its reverse (23102230311), we get a palindrome (34405450443).

The spelling of 11303220132 in words is "eleven billion, three hundred three million, two hundred twenty thousand, one hundred thirty-two".