71025340572243 has 12 divisors (see below), whose sum is σ = 103107697092400. Its totient is φ = 47112286207536.

The previous prime is 71025340572161. The next prime is 71025340572271. The reversal of 71025340572243 is 34227504352017.

71025340572243 is a `hidden beast` number, since 7 + 1 + 0 + 2 + 5 + 34 + 0 + 572 + 2 + 43 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-71025340572243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71025340572293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19828401496 + ... + 19828405077.

Almost surely, 2^{71025340572243} is an apocalyptic number.

71025340572243 is a deficient number, since it is larger than the sum of its proper divisors (32082356520157).

71025340572243 is a wasteful number, since it uses less digits than its factorization.

71025340572243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39656806778 (or 39656806775 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 45.

The spelling of 71025340572243 in words is "seventy-one trillion, twenty-five billion, three hundred forty million, five hundred seventy-two thousand, two hundred forty-three".