71610615325 has 6 divisors (see below), whose sum is σ = 88797163034. Its totient is φ = 57288492240.

The previous prime is 71610615317. The next prime is 71610615343. The reversal of 71610615325 is 52351601617.

It can be written as a sum of positive squares in 3 ways, for example, as 19080725689 + 52529889636 = 138133^2 + 229194^2 .

It is not a de Polignac number, because 71610615325 - 2³ = 71610615317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1432212282 + ... + 1432212331.

Almost surely, 2^71610615325 is an apocalyptic number.

It is an amenable number.

71610615325 is a deficient number, since it is larger than the sum of its proper divisors (17186547709).

71610615325 is a wasteful number, since it uses less digits than its factorization.

71610615325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2864424623 (or 2864424618 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 37.

The spelling of 71610615325 in words is "seventy-one billion, six hundred ten million, six hundred fifteen thousand, three hundred twenty-five".