71288852560 has 80 divisors (see below), whose sum is σ = 166812537600. Its totient is φ = 28332564480.

The previous prime is 71288852533. The next prime is 71288852561. The reversal of 71288852560 is 6525888217.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 71288852498 and 71288852507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71288852561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13099440 + ... + 13104880.

It is an arithmetic number, because the mean of its divisors is an integer number (2085156720).

Almost surely, 2^71288852560 is an apocalyptic number.

It is an amenable number.

71288852560 is an abundant number, since it is smaller than the sum of its proper divisors (95523685040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71288852560 is a wasteful number, since it uses less digits than its factorization.

71288852560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6476 (or 6470 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 52.

The spelling of 71288852560 in words is "seventy-one billion, two hundred eighty-eight million, eight hundred fifty-two thousand, five hundred sixty".