518668920001 has 8 divisors (see below), whose sum is σ = 531572110784. Its totient is φ = 505803962160.

The previous prime is 518668919999. The next prime is 518668920013. The reversal of 518668920001 is 100029866815.

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 518668920001 - 2¹ = 518668919999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (518668920061) 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 7 ways as a sum of consecutive naturals, for example, 9530766 + ... + 9585031.

It is an arithmetic number, because the mean of its divisors is an integer number (66446513848).

Almost surely, 2^518668920001 is an apocalyptic number.

It is an amenable number.

518668920001 is a deficient number, since it is larger than the sum of its proper divisors (12903190783).

518668920001 is a wasteful number, since it uses less digits than its factorization.

518668920001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19116471.

The product of its (nonzero) digits is 207360, while the sum is 46.

The spelling of 518668920001 in words is "five hundred eighteen billion, six hundred sixty-eight million, nine hundred twenty thousand, one".