518856700811 has 8 divisors (see below), whose sum is σ = 521130607200. Its totient is φ = 516585351040.

The previous prime is 518856700801. The next prime is 518856700823. The reversal of 518856700811 is 118007658815.

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-518856700811 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 518856700811.

It is not an unprimeable number, because it can be changed into a prime (518856700801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231806 + ... + 1044723.

It is an arithmetic number, because the mean of its divisors is an integer number (65141325900).

Almost surely, 2^518856700811 is an apocalyptic number.

518856700811 is a deficient number, since it is larger than the sum of its proper divisors (2273906389).

518856700811 is a wasteful number, since it uses less digits than its factorization.

518856700811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278309.

The product of its (nonzero) digits is 537600, while the sum is 50.

The spelling of 518856700811 in words is "five hundred eighteen billion, eight hundred fifty-six million, seven hundred thousand, eight hundred eleven".