71150565443808 has 48 divisors (see below), whose sum is σ = 186770681991936. Its totient is φ = 23716798296960.

The previous prime is 71150565443803. The next prime is 71150565443849. The reversal of 71150565443808 is 80834456505117.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71150565443801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63707935 + ... + 64815137.

It is an arithmetic number, because the mean of its divisors is an integer number (3891055874832).

Almost surely, 2^{71150565443808} is an apocalyptic number.

It is an amenable number.

71150565443808 is an abundant number, since it is smaller than the sum of its proper divisors (115620116548128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71150565443808 is a wasteful number, since it uses less digits than its factorization.

71150565443808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776607 (or 1776599 counting only the distinct ones).

The product of its (nonzero) digits is 16128000, while the sum is 57.

The spelling of 71150565443808 in words is "seventy-one trillion, one hundred fifty billion, five hundred sixty-five million, four hundred forty-three thousand, eight hundred eight".