71112343841 has 48 divisors (see below), whose sum is σ = 95167564800. Its totient is φ = 51862330080.

The previous prime is 71112343781. The next prime is 71112343849. The reversal of 71112343841 is 14834321117.

It is a de Polignac number, because none of the positive numbers 2^k-71112343841 is a prime.

It is a super-2 number, since 2×71112343841² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71112343849) 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 47 ways as a sum of consecutive naturals, for example, 1309100 + ... + 1362338.

It is an arithmetic number, because the mean of its divisors is an integer number (1982657600).

Almost surely, 2^71112343841 is an apocalyptic number.

It is an amenable number.

71112343841 is a deficient number, since it is larger than the sum of its proper divisors (24055220959).

71112343841 is a wasteful number, since it uses less digits than its factorization.

71112343841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53370 (or 53359 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

Adding to 71112343841 its reverse (14834321117), we get a palindrome (85946664958).

The spelling of 71112343841 in words is "seventy-one billion, one hundred twelve million, three hundred forty-three thousand, eight hundred forty-one".