71253526589 has 32 divisors (see below), whose sum is σ = 86800087296. Its totient is φ = 57098280960.

The previous prime is 71253526577. The next prime is 71253526627. The reversal of 71253526589 is 98562535217.

It is not a de Polignac number, because 71253526589 - 2²⁴ = 71236749373 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 71253526589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71253526529) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11265782 + ... + 11272104.

It is an arithmetic number, because the mean of its divisors is an integer number (2712502728).

Almost surely, 2^71253526589 is an apocalyptic number.

It is an amenable number.

71253526589 is a deficient number, since it is larger than the sum of its proper divisors (15546560707).

71253526589 is a wasteful number, since it uses less digits than its factorization.

71253526589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6965.

The product of its digits is 4536000, while the sum is 53.

The spelling of 71253526589 in words is "seventy-one billion, two hundred fifty-three million, five hundred twenty-six thousand, five hundred eighty-nine".