71040677067071 has 4 divisors (see below), whose sum is σ = 71142018975144. Its totient is φ = 70939335159000.

The previous prime is 71040677067067. The next prime is 71040677067167. The reversal of 71040677067071 is 17076077604017.

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

It is a cyclic number.

It is not a de Polignac number, because 71040677067071 - 2² = 71040677067067 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 (71040677067671) 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, 50670952985 + ... + 50670954386.

It is an arithmetic number, because the mean of its divisors is an integer number (17785504743786).

Almost surely, 2^{71040677067071} is an apocalyptic number.

71040677067071 is a deficient number, since it is larger than the sum of its proper divisors (101341908073).

71040677067071 is a wasteful number, since it uses less digits than its factorization.

71040677067071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101341908072.

The product of its (nonzero) digits is 2420208, while the sum is 53.

The spelling of 71040677067071 in words is "seventy-one trillion, forty billion, six hundred seventy-seven million, sixty-seven thousand, seventy-one".