1001681295271 has 4 divisors (see below), whose sum is σ = 1001708744344. Its totient is φ = 1001653846200.

The previous prime is 1001681295239. The next prime is 1001681295289. The reversal of 1001681295271 is 1725921861001.

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

It is a cyclic number.

It is not a de Polignac number, because 1001681295271 - 2⁵ = 1001681295239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001681295221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13669725 + ... + 13742806.

It is an arithmetic number, because the mean of its divisors is an integer number (250427186086).

Almost surely, 2^{1001681295271} is an apocalyptic number.

1001681295271 is a deficient number, since it is larger than the sum of its proper divisors (27449073).

1001681295271 is an equidigital number, since it uses as much as digits as its factorization.

1001681295271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27449072.

The product of its (nonzero) digits is 60480, while the sum is 43.

The spelling of 1001681295271 in words is "one trillion, one billion, six hundred eighty-one million, two hundred ninety-five thousand, two hundred seventy-one".