13144362505 has 8 divisors (see below), whose sum is σ = 16008656832. Its totient is φ = 10358542128.

The previous prime is 13144362499. The next prime is 13144362521. The reversal of 13144362505 is 50526344131.

13144362505 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 13144362505 - 2¹⁷ = 13144231433 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 7 ways as a sum of consecutive naturals, for example, 19618117 + ... + 19618786.

It is an arithmetic number, because the mean of its divisors is an integer number (2001082104).

Almost surely, 2^13144362505 is an apocalyptic number.

It is an amenable number.

13144362505 is a deficient number, since it is larger than the sum of its proper divisors (2864294327).

13144362505 is an equidigital number, since it uses as much as digits as its factorization.

13144362505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39236975.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 13144362505 in words is "thirteen billion, one hundred forty-four million, three hundred sixty-two thousand, five hundred five".