211718479113 has 12 divisors (see below), whose sum is σ = 305894796480. Its totient is φ = 141109091736.

The previous prime is 211718479097. The next prime is 211718479117. The reversal of 211718479113 is 311974817112.

211718479113 is a `hidden beast` number, since 2 + 1 + 171 + 8 + 479 + 1 + 1 + 3 = 666.

211718479113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 211718479113 - 2⁴ = 211718479097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211718479117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3010053 + ... + 3079586.

It is an arithmetic number, because the mean of its divisors is an integer number (25491233040).

Almost surely, 2^211718479113 is an apocalyptic number.

It is an amenable number.

211718479113 is a deficient number, since it is larger than the sum of its proper divisors (94176317367).

211718479113 is a wasteful number, since it uses less digits than its factorization.

211718479113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6093508 (or 6093505 counting only the distinct ones).

The product of its digits is 84672, while the sum is 45.

The spelling of 211718479113 in words is "two hundred eleven billion, seven hundred eighteen million, four hundred seventy-nine thousand, one hundred thirteen".