11205445133 has 4 divisors (see below), whose sum is σ = 11206235100. Its totient is φ = 11204655168.

The previous prime is 11205445117. The next prime is 11205445183. The reversal of 11205445133 is 33154450211.

11205445133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10347365284 + 858079849 = 101722^2 + 29293^2 .

It is a cyclic number.

It is not a de Polignac number, because 11205445133 - 2⁴ = 11205445117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11205445096 and 11205445105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11205445183) 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 3 ways as a sum of consecutive naturals, for example, 373310 + ... + 402207.

It is an arithmetic number, because the mean of its divisors is an integer number (2801558775).

Almost surely, 2^11205445133 is an apocalyptic number.

It is an amenable number.

11205445133 is a deficient number, since it is larger than the sum of its proper divisors (789967).

11205445133 is an equidigital number, since it uses as much as digits as its factorization.

11205445133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789966.

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

Adding to 11205445133 its reverse (33154450211), we get a palindrome (44359895344).

The spelling of 11205445133 in words is "eleven billion, two hundred five million, four hundred forty-five thousand, one hundred thirty-three".