271821805681082 has 16 divisors (see below), whose sum is σ = 411956296961832. Its totient is φ = 134503177159680.

The previous prime is 271821805681067. The next prime is 271821805681087. The reversal of 271821805681082 is 280186508128172.

It can be written as a sum of positive squares in 4 ways, for example, as 266096318626681 + 5725487054401 = 16312459^2 + 2392799^2 .

It is not an unprimeable number, because it can be changed into a prime (271821805681087) 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, 30307313 + ... + 38238420.

Almost surely, 2^{271821805681082} is an apocalyptic number.

271821805681082 is a deficient number, since it is larger than the sum of its proper divisors (140134491280750).

271821805681082 is a wasteful number, since it uses less digits than its factorization.

271821805681082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68566273.

The product of its (nonzero) digits is 6881280, while the sum is 59.

The spelling of 271821805681082 in words is "two hundred seventy-one trillion, eight hundred twenty-one billion, eight hundred five million, six hundred eighty-one thousand, eighty-two".