71165056104 has 48 divisors (see below), whose sum is σ = 195898356420. Its totient is φ = 23332803840.

The previous prime is 71165056103. The next prime is 71165056129. The reversal of 71165056104 is 40165056117.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 67237527204 + 3927528900 = 259302^2 + 62670^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (71165056103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8097277 + ... + 8106060.

Almost surely, 2^71165056104 is an apocalyptic number.

It is an amenable number.

71165056104 is an abundant number, since it is smaller than the sum of its proper divisors (124733300316).

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

71165056104 is a wasteful number, since it uses less digits than its factorization.

71165056104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16203410 (or 16203403 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 71165056104 in words is "seventy-one billion, one hundred sixty-five million, fifty-six thousand, one hundred four".