17120272671 has 56 divisors (see below), whose sum is σ = 27562801824. Its totient is φ = 10590289920.

The previous prime is 17120272669. The next prime is 17120272759. The reversal of 17120272671 is 17627202171.

It is not a de Polignac number, because 17120272671 - 2¹ = 17120272669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17120272651) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 870175 + ... + 889631.

Almost surely, 2^17120272671 is an apocalyptic number.

17120272671 is a deficient number, since it is larger than the sum of its proper divisors (10442529153).

17120272671 is an equidigital number, since it uses as much as digits as its factorization.

17120272671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19563 (or 19548 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 36.

The spelling of 17120272671 in words is "seventeen billion, one hundred twenty million, two hundred seventy-two thousand, six hundred seventy-one".