71150249180 has 12 divisors (see below), whose sum is σ = 149415523320. Its totient is φ = 28460099664.

The previous prime is 71150249179. The next prime is 71150249197. The reversal of 71150249180 is 8194205117.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1778756210 + ... + 1778756249.

It is an arithmetic number, because the mean of its divisors is an integer number (12451293610).

Almost surely, 2^71150249180 is an apocalyptic number.

It is an amenable number.

71150249180 is an abundant number, since it is smaller than the sum of its proper divisors (78265274140).

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

71150249180 is a wasteful number, since it uses less digits than its factorization.

71150249180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3557512468 (or 3557512466 counting only the distinct ones).

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

The spelling of 71150249180 in words is "seventy-one billion, one hundred fifty million, two hundred forty-nine thousand, one hundred eighty".