71082208905 has 16 divisors (see below), whose sum is σ = 113750599104. Its totient is φ = 37904156480.

The previous prime is 71082208877. The next prime is 71082208907. The reversal of 71082208905 is 50980228017.

It is not a de Polignac number, because 71082208905 - 2²⁰ = 71081160329 is a prime.

It is a super-2 number, since 2×71082208905² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71082208907) 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, 304014 + ... + 484343.

It is an arithmetic number, because the mean of its divisors is an integer number (7109412444).

Almost surely, 2^71082208905 is an apocalyptic number.

It is an amenable number.

71082208905 is a deficient number, since it is larger than the sum of its proper divisors (42668390199).

71082208905 is a wasteful number, since it uses less digits than its factorization.

71082208905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794376.

The product of its (nonzero) digits is 80640, while the sum is 42.

The spelling of 71082208905 in words is "seventy-one billion, eighty-two million, two hundred eight thousand, nine hundred five".