71576054156 has 12 divisors (see below), whose sum is σ = 125266356600. Its totient is φ = 35785666560.

The previous prime is 71576054129. The next prime is 71576054167. The reversal of 71576054156 is 65145067517.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 71576054156.

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, 521006 + ... + 643893.

It is an arithmetic number, because the mean of its divisors is an integer number (10438863050).

Almost surely, 2^71576054156 is an apocalyptic number.

It is an amenable number.

71576054156 is a deficient number, since it is larger than the sum of its proper divisors (53690302444).

71576054156 is a wasteful number, since it uses less digits than its factorization.

71576054156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180264 (or 1180262 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 47.

The spelling of 71576054156 in words is "seventy-one billion, five hundred seventy-six million, fifty-four thousand, one hundred fifty-six".