14015008678221 has 12 divisors (see below), whose sum is σ = 20243939201148. Its totient is φ = 9343321683264.

The previous prime is 14015008678217. The next prime is 14015008678249. The reversal of 14015008678221 is 12287680051041.

14015008678221 is a `hidden beast` number, since 1 + 4 + 0 + 1 + 500 + 8 + 67 + 82 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6532185202596 + 7482823475625 = 2555814^2 + 2735475^2 .

It is not a de Polignac number, because 14015008678221 - 2² = 14015008678217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14015008688221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5280001 + ... + 7477193.

It is an arithmetic number, because the mean of its divisors is an integer number (1686994933429).

Almost surely, 2^{14015008678221} is an apocalyptic number.

It is an amenable number.

14015008678221 is a deficient number, since it is larger than the sum of its proper divisors (6228930522927).

14015008678221 is a wasteful number, since it uses less digits than its factorization.

14015008678221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905932 (or 2905929 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The spelling of 14015008678221 in words is "fourteen trillion, fifteen billion, eight million, six hundred seventy-eight thousand, two hundred twenty-one".