71089541012 has 24 divisors (see below), whose sum is σ = 143264425920. Its totient is φ = 30234372480.

The previous prime is 71089541009. The next prime is 71089541027. The reversal of 71089541012 is 21014598017.

It is a congruent number.

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, 9686837 + ... + 9694172.

It is an arithmetic number, because the mean of its divisors is an integer number (5969351080).

Almost surely, 2^71089541012 is an apocalyptic number.

It is an amenable number.

71089541012 is an abundant number, since it is smaller than the sum of its proper divisors (72174884908).

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

71089541012 is a wasteful number, since it uses less digits than its factorization.

71089541012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19381151 (or 19381149 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 38.

The spelling of 71089541012 in words is "seventy-one billion, eighty-nine million, five hundred forty-one thousand, twelve".