17118853847 has 2 divisors, whose sum is σ = 17118853848. Its totient is φ = 17118853846.

The previous prime is 17118853841. The next prime is 17118853891. The reversal of 17118853847 is 74835881171.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 17118853847 - 2¹⁰ = 17118852823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17118853841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8559426923 + 8559426924.

It is an arithmetic number, because the mean of its divisors is an integer number (8559426924).

Almost surely, 2^17118853847 is an apocalyptic number.

17118853847 is a deficient number, since it is larger than the sum of its proper divisors (1).

17118853847 is an equidigital number, since it uses as much as digits as its factorization.

17118853847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1505280, while the sum is 53.

The spelling of 17118853847 in words is "seventeen billion, one hundred eighteen million, eight hundred fifty-three thousand, eight hundred forty-seven".