71580217126060 has 48 divisors (see below), whose sum is σ = 160007818370400. Its totient is φ = 26820358101504.

The previous prime is 71580217126057. The next prime is 71580217126069. The reversal of 71580217126060 is 6062171208517.

It is a super-2 number, since 2×71580217126060² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71580217126060.

It is not an unprimeable number, because it can be changed into a prime (71580217126069) 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, 1058218947 + ... + 1058286586.

It is an arithmetic number, because the mean of its divisors is an integer number (3333496216050).

Almost surely, 2^{71580217126060} is an apocalyptic number.

It is an amenable number.

71580217126060 is an abundant number, since it is smaller than the sum of its proper divisors (88427601244340).

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

71580217126060 is a wasteful number, since it uses less digits than its factorization.

71580217126060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116505650 (or 2116505648 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 46.

The spelling of 71580217126060 in words is "seventy-one trillion, five hundred eighty billion, two hundred seventeen million, one hundred twenty-six thousand, sixty".