11244040505 has 4 divisors (see below), whose sum is σ = 13492848612. Its totient is φ = 8995232400.

The previous prime is 11244040477. The next prime is 11244040523. The reversal of 11244040505 is 50504044211.

11244040505 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, and also an emirpimes, since its reverse is a distinct semiprime: 50504044211 = 61 ⋅827935151.

It can be written as a sum of positive squares in 2 ways, for example, as 2066975296 + 9177065209 = 45464^2 + 95797^2 .

It is not a de Polignac number, because 11244040505 - 2¹⁸ = 11243778361 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 1124404046 + ... + 1124404055.

It is an arithmetic number, because the mean of its divisors is an integer number (3373212153).

Almost surely, 2^11244040505 is an apocalyptic number.

It is an amenable number.

11244040505 is a deficient number, since it is larger than the sum of its proper divisors (2248808107).

11244040505 is an equidigital number, since it uses as much as digits as its factorization.

11244040505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248808106.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 11244040505 its reverse (50504044211), we get a palindrome (61748084716).

The spelling of 11244040505 in words is "eleven billion, two hundred forty-four million, forty thousand, five hundred five".