71165056118 has 16 divisors (see below), whose sum is σ = 115259106816. Its totient is φ = 32759647680.

The previous prime is 71165056103. The next prime is 71165056129. The reversal of 71165056118 is 81165056117.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3563303 + ... + 3583218.

It is an arithmetic number, because the mean of its divisors is an integer number (7203694176).

Almost surely, 2^71165056118 is an apocalyptic number.

71165056118 is a deficient number, since it is larger than the sum of its proper divisors (44094050698).

71165056118 is a wasteful number, since it uses less digits than its factorization.

71165056118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7146919.

The product of its (nonzero) digits is 50400, while the sum is 41.

Subtracting 71165056118 from its reverse (81165056117), we obtain a palindrome (9999999999).

The spelling of 71165056118 in words is "seventy-one billion, one hundred sixty-five million, fifty-six thousand, one hundred eighteen".