17105940407252 has 12 divisors (see below), whose sum is σ = 30200310719796. Its totient is φ = 8477280201600.

The previous prime is 17105940407191. The next prime is 17105940407261. The reversal of 17105940407252 is 25270404950171.

It can be written as a sum of positive squares in 2 ways, for example, as 8010733944976 + 9095206462276 = 2830324^2 + 3015826^2 .

It is a super-2 number, since 2×17105940407252² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 17105940407197 and 17105940407206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18922499999 + ... + 18922500902.

It is an arithmetic number, because the mean of its divisors is an integer number (2516692559983).

Almost surely, 2^{17105940407252} is an apocalyptic number.

It is an amenable number.

17105940407252 is a deficient number, since it is larger than the sum of its proper divisors (13094370312544).

17105940407252 is a wasteful number, since it uses less digits than its factorization.

17105940407252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37845001018 (or 37845001016 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 47.

The spelling of 17105940407252 in words is "seventeen trillion, one hundred five billion, nine hundred forty million, four hundred seven thousand, two hundred fifty-two".