17071687880812 has 12 divisors (see below), whose sum is σ = 29875583384640. Its totient is φ = 8535806913776.

The previous prime is 17071687880809. The next prime is 17071687880833. The reversal of 17071687880812 is 21808878617071.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8206012 + ... + 10073827.

It is an arithmetic number, because the mean of its divisors is an integer number (2489631948720).

Almost surely, 2^{17071687880812} is an apocalyptic number.

It is an amenable number.

17071687880812 is a deficient number, since it is larger than the sum of its proper divisors (12803895503828).

17071687880812 is a wasteful number, since it uses less digits than its factorization.

17071687880812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18513320 (or 18513318 counting only the distinct ones).

The product of its (nonzero) digits is 16859136, while the sum is 64.

The spelling of 17071687880812 in words is "seventeen trillion, seventy-one billion, six hundred eighty-seven million, eight hundred eighty thousand, eight hundred twelve".