71011331071 has 8 divisors (see below), whose sum is σ = 75204733824. Its totient is φ = 66910091160.

The previous prime is 71011331033. The next prime is 71011331107. The reversal of 71011331071 is 17013311017.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71011331071 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 (71011331021) 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, 23039125 + ... + 23042206.

It is an arithmetic number, because the mean of its divisors is an integer number (9400591728).

Almost surely, 2^71011331071 is an apocalyptic number.

71011331071 is a deficient number, since it is larger than the sum of its proper divisors (4193402753).

71011331071 is a wasteful number, since it uses less digits than its factorization.

71011331071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46081421.

The product of its (nonzero) digits is 441, while the sum is 25.

Adding to 71011331071 its reverse (17013311017), we get a palindrome (88024642088).

The spelling of 71011331071 in words is "seventy-one billion, eleven million, three hundred thirty-one thousand, seventy-one".