71144321071 has 8 divisors (see below), whose sum is σ = 75343118544. Its totient is φ = 66947061120.

The previous prime is 71144321051. The next prime is 71144321081. The reversal of 71144321071 is 17012344117.

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 71144321071 - 2²⁷ = 71010103343 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 (71144321051) 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, 288420 + ... + 474841.

It is an arithmetic number, because the mean of its divisors is an integer number (9417889818).

Almost surely, 2^71144321071 is an apocalyptic number.

71144321071 is a deficient number, since it is larger than the sum of its proper divisors (4198797473).

71144321071 is a wasteful number, since it uses less digits than its factorization.

71144321071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768761.

The product of its (nonzero) digits is 4704, while the sum is 31.

Adding to 71144321071 its reverse (17012344117), we get a palindrome (88156665188).

The spelling of 71144321071 in words is "seventy-one billion, one hundred forty-four million, three hundred twenty-one thousand, seventy-one".