13341242320545 has 64 divisors (see below), whose sum is σ = 21886851317760. Its totient is φ = 6935729455872.

The previous prime is 13341242320543. The next prime is 13341242320579. The reversal of 13341242320545 is 54502324214331.

It is a happy number.

It is not a de Polignac number, because 13341242320545 - 2¹ = 13341242320543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13341242320543) 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 63 ways as a sum of consecutive naturals, for example, 675188376 + ... + 675208134.

It is an arithmetic number, because the mean of its divisors is an integer number (341982051840).

Almost surely, 2^{13341242320545} is an apocalyptic number.

13341242320545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13341242320545 is a deficient number, since it is larger than the sum of its proper divisors (8545608997215).

13341242320545 is a wasteful number, since it uses less digits than its factorization.

13341242320545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21886.

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 13341242320545 its reverse (54502324214331), we get a palindrome (67843566534876).

The spelling of 13341242320545 in words is "thirteen trillion, three hundred forty-one billion, two hundred forty-two million, three hundred twenty thousand, five hundred forty-five".