11445332520005 has 4 divisors (see below), whose sum is σ = 13734399024012. Its totient is φ = 9156266016000.

The previous prime is 11445332519983. The next prime is 11445332520007. The reversal of 11445332520005 is 50002523354411.

11445332520005 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 8913723763396 + 2531608756609 = 2985586^2 + 1591103^2 .

It is not a de Polignac number, because 11445332520005 - 2¹⁰ = 11445332518981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11445332520007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1144533251996 + ... + 1144533252005.

It is an arithmetic number, because the mean of its divisors is an integer number (3433599756003).

Almost surely, 2^{11445332520005} is an apocalyptic number.

It is an amenable number.

11445332520005 is a deficient number, since it is larger than the sum of its proper divisors (2289066504007).

11445332520005 is an equidigital number, since it uses as much as digits as its factorization.

11445332520005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289066504006.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 11445332520005 its reverse (50002523354411), we get a palindrome (61447855874416).

The spelling of 11445332520005 in words is "eleven trillion, four hundred forty-five billion, three hundred thirty-two million, five hundred twenty thousand, five".