14265520691845 has 4 divisors (see below), whose sum is σ = 17118624830220. Its totient is φ = 11412416553472.

The previous prime is 14265520691843. The next prime is 14265520691867. The reversal of 14265520691845 is 54819602556241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3825067585284 + 10440453106561 = 1955778^2 + 3231169^2 .

It is a cyclic number.

It is not a de Polignac number, because 14265520691845 - 2¹ = 14265520691843 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 14265520691845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14265520691843) 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 3 ways as a sum of consecutive naturals, for example, 1426552069180 + ... + 1426552069189.

It is an arithmetic number, because the mean of its divisors is an integer number (4279656207555).

Almost surely, 2^{14265520691845} is an apocalyptic number.

It is an amenable number.

14265520691845 is a deficient number, since it is larger than the sum of its proper divisors (2853104138375).

14265520691845 is an equidigital number, since it uses as much as digits as its factorization.

14265520691845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2853104138374.

The product of its (nonzero) digits is 20736000, while the sum is 58.

The spelling of 14265520691845 in words is "fourteen trillion, two hundred sixty-five billion, five hundred twenty million, six hundred ninety-one thousand, eight hundred forty-five".