1325757638885 has 12 divisors (see below), whose sum is σ = 1617417216324. Its totient is φ = 1043219111040.

The previous prime is 1325757638819. The next prime is 1325757638893. The reversal of 1325757638885 is 5888367575231.

It can be written as a sum of positive squares in 6 ways, for example, as 748707747841 + 577049891044 = 865279^2 + 759638^2 .

It is not a de Polignac number, because 1325757638885 - 2²⁸ = 1325489203429 is a prime.

It is a Duffinian number.

It is a congruent 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, 35610464 + ... + 35647673.

It is an arithmetic number, because the mean of its divisors is an integer number (134784768027).

Almost surely, 2^{1325757638885} is an apocalyptic number.

It is an amenable number.

1325757638885 is a deficient number, since it is larger than the sum of its proper divisors (291659577439).

1325757638885 is an frugal number, since it uses more digits than its factorization.

1325757638885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71258264 (or 71258203 counting only the distinct ones).

The product of its digits is 338688000, while the sum is 68.

The spelling of 1325757638885 in words is "one trillion, three hundred twenty-five billion, seven hundred fifty-seven million, six hundred thirty-eight thousand, eight hundred eighty-five".