11133044521 has 8 divisors (see below), whose sum is σ = 11157610464. Its totient is φ = 11108497440.

The previous prime is 11133044513. The next prime is 11133044543. The reversal of 11133044521 is 12544033111.

11133044521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11133044521 - 2³ = 11133044513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11133044501) 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 7 ways as a sum of consecutive naturals, for example, 2323290 + ... + 2328076.

It is an arithmetic number, because the mean of its divisors is an integer number (1394701308).

Almost surely, 2^11133044521 is an apocalyptic number.

It is an amenable number.

11133044521 is a deficient number, since it is larger than the sum of its proper divisors (24565943).

11133044521 is an equidigital number, since it uses as much as digits as its factorization.

11133044521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9431.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 11133044521 its reverse (12544033111), we get a palindrome (23677077632).

The spelling of 11133044521 in words is "eleven billion, one hundred thirty-three million, forty-four thousand, five hundred twenty-one".