71112016105 has 8 divisors (see below), whose sum is σ = 91898605512. Its totient is φ = 52513488768.

The previous prime is 71112016057. The next prime is 71112016117. The reversal of 71112016105 is 50161021117.

It can be written as a sum of positive squares in 4 ways, for example, as 643535424 + 70468480681 = 25368^2 + 265459^2 .

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

It is not a de Polignac number, because 71112016105 - 2³³ = 62522081513 is a prime.

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 71112016105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547015444 + ... + 547015573.

It is an arithmetic number, because the mean of its divisors is an integer number (11487325689).

Almost surely, 2^71112016105 is an apocalyptic number.

It is an amenable number.

71112016105 is a deficient number, since it is larger than the sum of its proper divisors (20786589407).

71112016105 is a wasteful number, since it uses less digits than its factorization.

71112016105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094031035.

The product of its (nonzero) digits is 420, while the sum is 25.

The spelling of 71112016105 in words is "seventy-one billion, one hundred twelve million, sixteen thousand, one hundred five".