71122845424 has 20 divisors (see below), whose sum is σ = 137816328744. Its totient is φ = 35557341248.

The previous prime is 71122845401. The next prime is 71122845439. The reversal of 71122845424 is 42454822117.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 108787 + ... + 392530.

Almost surely, 2^71122845424 is an apocalyptic number.

It is an amenable number.

71122845424 is a deficient number, since it is larger than the sum of its proper divisors (66693483320).

71122845424 is a wasteful number, since it uses less digits than its factorization.

71122845424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510192 (or 510186 counting only the distinct ones).

The product of its digits is 143360, while the sum is 40.

The spelling of 71122845424 in words is "seventy-one billion, one hundred twenty-two million, eight hundred forty-five thousand, four hundred twenty-four".