13345406545015 has 16 divisors (see below), whose sum is σ = 16286577249600. Its totient is φ = 10495794032640.

The previous prime is 13345406544931. The next prime is 13345406545019. The reversal of 13345406545015 is 51054560454331.

It is a de Polignac number, because none of the positive numbers 2^k-13345406545015 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13345406545019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53733834 + ... + 53981623.

It is an arithmetic number, because the mean of its divisors is an integer number (1017911078100).

Almost surely, 2^{13345406545015} is an apocalyptic number.

13345406545015 is a deficient number, since it is larger than the sum of its proper divisors (2941170704585).

13345406545015 is a wasteful number, since it uses less digits than its factorization.

13345406545015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107715882.

The product of its (nonzero) digits is 2160000, while the sum is 46.

Adding to 13345406545015 its reverse (51054560454331), we get a palindrome (64399966999346).

The spelling of 13345406545015 in words is "thirteen trillion, three hundred forty-five billion, four hundred six million, five hundred forty-five thousand, fifteen".