71041456525 has 24 divisors (see below), whose sum is σ = 94886407784. Its totient is φ = 52451020800.

The previous prime is 71041456483. The next prime is 71041456547. The reversal of 71041456525 is 52565414017.

It can be written as a sum of positive squares in 12 ways, for example, as 5088539556 + 65952916969 = 71334^2 + 256813^2 .

It is not a de Polignac number, because 71041456525 - 2²¹ = 71039359373 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 23 ways as a sum of consecutive naturals, for example, 1884865 + ... + 1922185.

Almost surely, 2^71041456525 is an apocalyptic number.

It is an amenable number.

71041456525 is a deficient number, since it is larger than the sum of its proper divisors (23844951259).

71041456525 is a wasteful number, since it uses less digits than its factorization.

71041456525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43201 (or 43196 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 40.

The spelling of 71041456525 in words is "seventy-one billion, forty-one million, four hundred fifty-six thousand, five hundred twenty-five".