17152512145 has 4 divisors (see below), whose sum is σ = 20583014580. Its totient is φ = 13722009712.

The previous prime is 17152512053. The next prime is 17152512187. The reversal of 17152512145 is 54121525171.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13532203584 + 3620308561 = 116328^2 + 60169^2 .

It is a cyclic number.

It is not a de Polignac number, because 17152512145 - 2⁷ = 17152512017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 17152512145.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1715251210 + ... + 1715251219.

It is an arithmetic number, because the mean of its divisors is an integer number (5145753645).

Almost surely, 2^17152512145 is an apocalyptic number.

It is an amenable number.

17152512145 is a deficient number, since it is larger than the sum of its proper divisors (3430502435).

17152512145 is an equidigital number, since it uses as much as digits as its factorization.

17152512145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3430502434.

The product of its digits is 14000, while the sum is 34.

The spelling of 17152512145 in words is "seventeen billion, one hundred fifty-two million, five hundred twelve thousand, one hundred forty-five".