17552855117 has 12 divisors (see below), whose sum is σ = 20423958876. Its totient is φ = 15041376000.

The previous prime is 17552855083. The next prime is 17552855129. The reversal of 17552855117 is 71155825571.

It can be written as a sum of positive squares in 2 ways, for example, as 8959379716 + 8593475401 = 94654^2 + 92701^2 .

It is not a de Polignac number, because 17552855117 - 2¹² = 17552851021 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17552855417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151283 + ... + 240815.

It is an arithmetic number, because the mean of its divisors is an integer number (1701996573).

Almost surely, 2^17552855117 is an apocalyptic number.

It is an amenable number.

17552855117 is a deficient number, since it is larger than the sum of its proper divisors (2871103759).

17552855117 is an equidigital number, since it uses as much as digits as its factorization.

17552855117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93548 (or 93541 counting only the distinct ones).

The product of its digits is 490000, while the sum is 47.

The spelling of 17552855117 in words is "seventeen billion, five hundred fifty-two million, eight hundred fifty-five thousand, one hundred seventeen".