14971371521 has 8 divisors (see below), whose sum is σ = 15912319104. Its totient is φ = 14037121600.

The previous prime is 14971371517. The next prime is 14971371631. The reversal of 14971371521 is 12517317941.

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 14971371521 - 2² = 14971371517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14971371511) 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 7 ways as a sum of consecutive naturals, for example, 1669805 + ... + 1678746.

It is an arithmetic number, because the mean of its divisors is an integer number (1989039888).

Almost surely, 2^14971371521 is an apocalyptic number.

It is an amenable number.

14971371521 is a deficient number, since it is larger than the sum of its proper divisors (940947583).

14971371521 is a wasteful number, since it uses less digits than its factorization.

14971371521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3348831.

The product of its digits is 52920, while the sum is 41.

The spelling of 14971371521 in words is "fourteen billion, nine hundred seventy-one million, three hundred seventy-one thousand, five hundred twenty-one".