271686804121 has 8 divisors (see below), whose sum is σ = 287720773704. Its totient is φ = 255658656000.

The previous prime is 271686804119. The next prime is 271686804149. The reversal of 271686804121 is 121408686172.

It can be written as a sum of positive squares in 4 ways, for example, as 79264208521 + 192422595600 = 281539^2 + 438660^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 271686804121 - 2¹ = 271686804119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (271686804821) 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, 1359090 + ... + 1546123.

It is an arithmetic number, because the mean of its divisors is an integer number (35965096713).

Almost surely, 2^271686804121 is an apocalyptic number.

It is an amenable number.

271686804121 is a deficient number, since it is larger than the sum of its proper divisors (16033969583).

271686804121 is a wasteful number, since it uses less digits than its factorization.

271686804121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2910731.

The product of its (nonzero) digits is 258048, while the sum is 46.

The spelling of 271686804121 in words is "two hundred seventy-one billion, six hundred eighty-six million, eight hundred four thousand, one hundred twenty-one".