71070715911 has 8 divisors (see below), whose sum is σ = 102050258800. Its totient is φ = 43735825152.

The previous prime is 71070715901. The next prime is 71070715939. The reversal of 71070715911 is 11951707017.

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

It is not a de Polignac number, because 71070715911 - 2⁵ = 71070715879 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 1822326049 = 71070715911 / (7 + 1 + 0 + 7 + 0 + 7 + 1 + 5 + 9 + 1 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71070715911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71070715901) 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 7 ways as a sum of consecutive naturals, for example, 911162986 + ... + 911163063.

It is an arithmetic number, because the mean of its divisors is an integer number (12756282350).

Almost surely, 2^71070715911 is an apocalyptic number.

71070715911 is a deficient number, since it is larger than the sum of its proper divisors (30979542889).

71070715911 is a wasteful number, since it uses less digits than its factorization.

71070715911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1822326065.

The product of its (nonzero) digits is 15435, while the sum is 39.

The spelling of 71070715911 in words is "seventy-one billion, seventy million, seven hundred fifteen thousand, nine hundred eleven".