13445324320541 has 4 divisors (see below), whose sum is σ = 13448669764800. Its totient is φ = 13441978876284.

The previous prime is 13445324320537. The next prime is 13445324320553. The reversal of 13445324320541 is 14502342354431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13445324320541 - 2² = 13445324320537 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 (13445324325541) 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, 1672716101 + ... + 1672724138.

It is an arithmetic number, because the mean of its divisors is an integer number (3362167441200).

Almost surely, 2^{13445324320541} is an apocalyptic number.

It is an amenable number.

13445324320541 is a deficient number, since it is larger than the sum of its proper divisors (3345444259).

13445324320541 is an equidigital number, since it uses as much as digits as its factorization.

13445324320541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3345444258.

The product of its (nonzero) digits is 691200, while the sum is 41.

Adding to 13445324320541 its reverse (14502342354431), we get a palindrome (27947666674972).

The spelling of 13445324320541 in words is "thirteen trillion, four hundred forty-five billion, three hundred twenty-four million, three hundred twenty thousand, five hundred forty-one".