17053317212543 has 4 divisors (see below), whose sum is σ = 17053325907360. Its totient is φ = 17053308517728.

The previous prime is 17053317212531. The next prime is 17053317212563. The reversal of 17053317212543 is 34521271335071.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 17053317212543 - 2³⁴ = 17036137343359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 17053317212494 and 17053317212503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17053317212563) by changing a digit.

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, 135338 + ... + 5841656.

It is an arithmetic number, because the mean of its divisors is an integer number (4263331476840).

Almost surely, 2^{17053317212543} is an apocalyptic number.

17053317212543 is a deficient number, since it is larger than the sum of its proper divisors (8694817).

17053317212543 is an equidigital number, since it uses as much as digits as its factorization.

17053317212543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8694816.

The product of its (nonzero) digits is 529200, while the sum is 44.

The spelling of 17053317212543 in words is "seventeen trillion, fifty-three billion, three hundred seventeen million, two hundred twelve thousand, five hundred forty-three".