14447661880655 has 8 divisors (see below), whose sum is σ = 17411602817232. Its totient is φ = 11508523797568.

The previous prime is 14447661880591. The next prime is 14447661880661. The reversal of 14447661880655 is 55608816674441.

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 14447661880655 - 2⁶ = 14447661880591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14447661880591 and 14447661880600.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6200712089 + ... + 6200714418.

It is an arithmetic number, because the mean of its divisors is an integer number (2176450352154).

Almost surely, 2^{14447661880655} is an apocalyptic number.

14447661880655 is a deficient number, since it is larger than the sum of its proper divisors (2963940936577).

14447661880655 is a wasteful number, since it uses less digits than its factorization.

14447661880655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12401426745.

The product of its (nonzero) digits is 154828800, while the sum is 65.

The spelling of 14447661880655 in words is "fourteen trillion, four hundred forty-seven billion, six hundred sixty-one million, eight hundred eighty thousand, six hundred fifty-five".