14521521218 has 8 divisors (see below), whose sum is σ = 21786300048. Its totient is φ = 7259421204.

The previous prime is 14521521211. The next prime is 14521521253. The reversal of 14521521218 is 81212512541.

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

It is not an unprimeable number, because it can be changed into a prime (14521521211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656096 + ... + 677867.

It is an arithmetic number, because the mean of its divisors is an integer number (2723287506).

Almost surely, 2^14521521218 is an apocalyptic number.

14521521218 is a deficient number, since it is larger than the sum of its proper divisors (7264778830).

14521521218 is a wasteful number, since it uses less digits than its factorization.

14521521218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339408.

The product of its digits is 6400, while the sum is 32.

The spelling of 14521521218 in words is "fourteen billion, five hundred twenty-one million, five hundred twenty-one thousand, two hundred eighteen".