71525258266 has 16 divisors (see below), whose sum is σ = 133761522240. Its totient is φ = 27866983680.

The previous prime is 71525258221. The next prime is 71525258281. The reversal of 71525258266 is 66285252517.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232224711 + ... + 232225018.

It is an arithmetic number, because the mean of its divisors is an integer number (8360095140).

Almost surely, 2^71525258266 is an apocalyptic number.

71525258266 is a deficient number, since it is larger than the sum of its proper divisors (62236263974).

71525258266 is a wasteful number, since it uses less digits than its factorization.

71525258266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464449749.

The product of its digits is 2016000, while the sum is 49.

The spelling of 71525258266 in words is "seventy-one billion, five hundred twenty-five million, two hundred fifty-eight thousand, two hundred sixty-six".