71570056132 has 6 divisors (see below), whose sum is σ = 125247598238. Its totient is φ = 35785028064.

The previous prime is 71570056109. The next prime is 71570056163. The reversal of 71570056132 is 23165007517.

It can be written as a sum of positive squares in only one way, i.e., 41243923396 + 30326132736 = 203086^2 + 174144^2 .

It is a junction number, because it is equal to n+sod(n) for n = 71570056091 and 71570056100.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8946257013 + ... + 8946257020.

Almost surely, 2^71570056132 is an apocalyptic number.

It is an amenable number.

71570056132 is a deficient number, since it is larger than the sum of its proper divisors (53677542106).

71570056132 is a wasteful number, since it uses less digits than its factorization.

71570056132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17892514037 (or 17892514035 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 37.

The spelling of 71570056132 in words is "seventy-one billion, five hundred seventy million, fifty-six thousand, one hundred thirty-two".