218484612711 has 64 divisors (see below), whose sum is σ = 335410176000. Its totient is φ = 140494629600.

The previous prime is 218484612691. The next prime is 218484612719. The reversal of 218484612711 is 117216484812.

218484612711 is a `hidden beast` number, since 2 + 18 + 4 + 8 + 4 + 612 + 7 + 11 = 666.

It is not a de Polignac number, because 218484612711 - 2¹⁰ = 218484611687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218484612719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20507736 + ... + 20518386.

It is an arithmetic number, because the mean of its divisors is an integer number (5240784000).

Almost surely, 2^218484612711 is an apocalyptic number.

218484612711 is a deficient number, since it is larger than the sum of its proper divisors (116925563289).

218484612711 is a wasteful number, since it uses less digits than its factorization.

218484612711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10961 (or 10955 counting only the distinct ones).

The product of its digits is 172032, while the sum is 45.

The spelling of 218484612711 in words is "two hundred eighteen billion, four hundred eighty-four million, six hundred twelve thousand, seven hundred eleven".