17115140081825 has 12 divisors (see below), whose sum is σ = 21222861158508. Its totient is φ = 13692055641600.

The previous prime is 17115140081807. The next prime is 17115140081843. The reversal of 17115140081825 is 52818004151171.

It is an interprime number because it is at equal distance from previous prime (17115140081807) and next prime (17115140081843).

It can be written as a sum of positive squares in 6 ways, for example, as 2606232470689 + 14508907611136 = 1614383^2 + 3809056^2 .

It is not a de Polignac number, because 17115140081825 - 2¹⁸ = 17115139819681 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5427305 + ... + 7980345.

It is an arithmetic number, because the mean of its divisors is an integer number (1768571763209).

Almost surely, 2^{17115140081825} is an apocalyptic number.

It is an amenable number.

17115140081825 is a deficient number, since it is larger than the sum of its proper divisors (4107721076683).

17115140081825 is a wasteful number, since it uses less digits than its factorization.

17115140081825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2821204 (or 2821199 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 44.

The spelling of 17115140081825 in words is "seventeen trillion, one hundred fifteen billion, one hundred forty million, eighty-one thousand, eight hundred twenty-five".