71545055522 has 32 divisors (see below), whose sum is σ = 114088677120. Its totient is φ = 33554111760.

The previous prime is 71545055489. The next prime is 71545055537. The reversal of 71545055522 is 22555054517.

It is a self number, because there is not a number n which added to its sum of digits gives 71545055522.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2189033 + ... + 2221475.

It is an arithmetic number, because the mean of its divisors is an integer number (3565271160).

Almost surely, 2^71545055522 is an apocalyptic number.

71545055522 is a deficient number, since it is larger than the sum of its proper divisors (42543621598).

71545055522 is a wasteful number, since it uses less digits than its factorization.

71545055522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33038.

The product of its (nonzero) digits is 350000, while the sum is 41.

The spelling of 71545055522 in words is "seventy-one billion, five hundred forty-five million, fifty-five thousand, five hundred twenty-two".