17112817835912 has 12 divisors (see below), whose sum is σ = 32086555380855. Its totient is φ = 8556403067688.

The previous prime is 17112817835903. The next prime is 17112817835977. The reversal of 17112817835912 is 21953871821171.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 8556408917956 + 8556408917956 = 2925134^2 + 2925134^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2925134.

It is a Duffinian 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 2 ways as a sum of consecutive naturals, for example, 10969253 + ... + 12431819.

Almost surely, 2^{17112817835912} is an apocalyptic number.

It is an amenable number.

17112817835912 is a deficient number, since it is larger than the sum of its proper divisors (14973737544943).

17112817835912 is an frugal number, since it uses more digits than its factorization.

17112817835912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2925140 (or 1462569 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 56.

The spelling of 17112817835912 in words is "seventeen trillion, one hundred twelve billion, eight hundred seventeen million, eight hundred thirty-five thousand, nine hundred twelve".