71165010565 has 64 divisors (see below), whose sum is σ = 96818125824. Its totient is φ = 49766400000.

The previous prime is 71165010559. The next prime is 71165010569. The reversal of 71165010565 is 56501056117.

It is not a de Polignac number, because 71165010565 - 2³ = 71165010557 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 (71165010569) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 61721029 + ... + 61722181.

It is an arithmetic number, because the mean of its divisors is an integer number (1512783216).

Almost surely, 2^71165010565 is an apocalyptic number.

It is an amenable number.

71165010565 is a deficient number, since it is larger than the sum of its proper divisors (25653115259).

71165010565 is a wasteful number, since it uses less digits than its factorization.

71165010565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582.

The product of its (nonzero) digits is 31500, while the sum is 37.

The spelling of 71165010565 in words is "seventy-one billion, one hundred sixty-five million, ten thousand, five hundred sixty-five".