1325015128717 has 16 divisors (see below), whose sum is σ = 1599503859712. Its totient is φ = 1073530629360.

The previous prime is 1325015128667. The next prime is 1325015128747. The reversal of 1325015128717 is 7178215105231.

It is not a de Polignac number, because 1325015128717 - 2⁷ = 1325015128589 is a prime.

It is a super-3 number, since 3×1325015128717³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325015128747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70991373 + ... + 71010034.

It is an arithmetic number, because the mean of its divisors is an integer number (99968991232).

Almost surely, 2^{1325015128717} is an apocalyptic number.

It is an amenable number.

1325015128717 is a deficient number, since it is larger than the sum of its proper divisors (274488730995).

1325015128717 is a wasteful number, since it uses less digits than its factorization.

1325015128717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142001488.

The product of its (nonzero) digits is 117600, while the sum is 43.

The spelling of 1325015128717 in words is "one trillion, three hundred twenty-five billion, fifteen million, one hundred twenty-eight thousand, seven hundred seventeen".