65271217000071 has 4 divisors (see below), whose sum is σ = 87028289333432. Its totient is φ = 43514144666712.

The previous prime is 65271217000063. The next prime is 65271217000079. The reversal of 65271217000071 is 17000071217256.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (65271217000063) and next prime (65271217000079).

It is not a de Polignac number, because 65271217000071 - 2³ = 65271217000063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65271216999993 and 65271217000029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65271217000079) 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, 10878536166676 + ... + 10878536166681.

It is an arithmetic number, because the mean of its divisors is an integer number (21757072333358).

Almost surely, 2^{65271217000071} is an apocalyptic number.

65271217000071 is a deficient number, since it is larger than the sum of its proper divisors (21757072333361).

65271217000071 is a wasteful number, since it uses less digits than its factorization.

65271217000071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21757072333360.

The product of its (nonzero) digits is 41160, while the sum is 39.

The spelling of 65271217000071 in words is "sixty-five trillion, two hundred seventy-one billion, two hundred seventeen million, seventy-one", and thus it is an aban number.