14121657517 has 8 divisors (see below), whose sum is σ = 15406316640. Its totient is φ = 12837143760.

The previous prime is 14121657443. The next prime is 14121657521. The reversal of 14121657517 is 71575612141.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14121657517 is a prime.

It is a super-2 number, since 2×14121657517² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14121657517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14121657587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312034 + ... + 354412.

It is an arithmetic number, because the mean of its divisors is an integer number (1925789580).

Almost surely, 2^14121657517 is an apocalyptic number.

It is an amenable number.

14121657517 is a deficient number, since it is larger than the sum of its proper divisors (1284659123).

14121657517 is a wasteful number, since it uses less digits than its factorization.

14121657517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72683.

The product of its digits is 58800, while the sum is 40.

The spelling of 14121657517 in words is "fourteen billion, one hundred twenty-one million, six hundred fifty-seven thousand, five hundred seventeen".