271205471818 has 4 divisors (see below), whose sum is σ = 406808207730. Its totient is φ = 135602735908.

The previous prime is 271205471711. The next prime is 271205471869. The reversal of 271205471818 is 818174502172.

271205471818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 227255284369 + 43950187449 = 476713^2 + 209643^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 67801367953 + ... + 67801367956.

Almost surely, 2^271205471818 is an apocalyptic number.

271205471818 is a deficient number, since it is larger than the sum of its proper divisors (135602735912).

271205471818 is a wasteful number, since it uses less digits than its factorization.

271205471818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135602735911.

The product of its (nonzero) digits is 250880, while the sum is 46.

It can be divided in two parts, 2712054 and 71818, that added together give a palindrome (2783872).

The spelling of 271205471818 in words is "two hundred seventy-one billion, two hundred five million, four hundred seventy-one thousand, eight hundred eighteen".