71471041161 has 24 divisors (see below), whose sum is σ = 104937968160. Its totient is φ = 43236700416.

The previous prime is 71471041153. The next prime is 71471041163. The reversal of 71471041161 is 16114017417.

It is not a de Polignac number, because 71471041161 - 2³ = 71471041153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71471041163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1164736 + ... + 1224561.

It is an arithmetic number, because the mean of its divisors is an integer number (4372415340).

Almost surely, 2^71471041161 is an apocalyptic number.

It is an amenable number.

71471041161 is a deficient number, since it is larger than the sum of its proper divisors (33466926999).

71471041161 is a wasteful number, since it uses less digits than its factorization.

71471041161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389385 (or 2389372 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 33.

Adding to 71471041161 its reverse (16114017417), we get a palindrome (87585058578).

The spelling of 71471041161 in words is "seventy-one billion, four hundred seventy-one million, forty-one thousand, one hundred sixty-one".