13440225505 has 16 divisors (see below), whose sum is σ = 18437053824. Its totient is φ = 9213782400.

The previous prime is 13440225493. The next prime is 13440225509. The reversal of 13440225505 is 50552204431.

It is not a de Polignac number, because 13440225505 - 2¹⁵ = 13440192737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13440225509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94389 + ... + 189181.

It is an arithmetic number, because the mean of its divisors is an integer number (1152315864).

Almost surely, 2^13440225505 is an apocalyptic number.

It is an amenable number.

13440225505 is a deficient number, since it is larger than the sum of its proper divisors (4996828319).

13440225505 is an equidigital number, since it uses as much as digits as its factorization.

13440225505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98856.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 13440225505 its reverse (50552204431), we get a palindrome (63992429936).

The spelling of 13440225505 in words is "thirteen billion, four hundred forty million, two hundred twenty-five thousand, five hundred five".