71156854112 has 24 divisors (see below), whose sum is σ = 140096841192. Its totient is φ = 35576704000.

The previous prime is 71156854091. The next prime is 71156854129. The reversal of 71156854112 is 21145865117.

It is a self number, because there is not a number n which added to its sum of digits gives 71156854112.

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, 851312 + ... + 931152.

It is an arithmetic number, because the mean of its divisors is an integer number (5837368383).

Almost surely, 2^71156854112 is an apocalyptic number.

It is an amenable number.

71156854112 is a deficient number, since it is larger than the sum of its proper divisors (68939987080).

71156854112 is a wasteful number, since it uses less digits than its factorization.

71156854112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107702 (or 107694 counting only the distinct ones).

The product of its digits is 67200, while the sum is 41.

The spelling of 71156854112 in words is "seventy-one billion, one hundred fifty-six million, eight hundred fifty-four thousand, one hundred twelve".