14521518517 has 4 divisors (see below), whose sum is σ = 15841656576. Its totient is φ = 13201380460.

The previous prime is 14521518509. The next prime is 14521518521. The reversal of 14521518517 is 71581512541.

14521518517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14521518517 - 2³ = 14521518509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14521518517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14521518577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660069013 + ... + 660069034.

It is an arithmetic number, because the mean of its divisors is an integer number (3960414144).

Almost surely, 2^14521518517 is an apocalyptic number.

It is an amenable number.

14521518517 is a deficient number, since it is larger than the sum of its proper divisors (1320138059).

14521518517 is a wasteful number, since it uses less digits than its factorization.

14521518517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320138058.

The product of its digits is 56000, while the sum is 40.

The spelling of 14521518517 in words is "fourteen billion, five hundred twenty-one million, five hundred eighteen thousand, five hundred seventeen".