1325015128589 has 2 divisors, whose sum is σ = 1325015128590. Its totient is φ = 1325015128588.

The previous prime is 1325015128583. The next prime is 1325015128639. The reversal of 1325015128589 is 9858215105231.

It is an a-pointer prime, because the next prime (1325015128639) can be obtained adding 1325015128589 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1008501994564 + 316513134025 = 1004242^2 + 562595^2 .

It is a cyclic number.

It is not a de Polignac number, because 1325015128589 - 2¹² = 1325015124493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1325015128583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662507564294 + 662507564295.

It is an arithmetic number, because the mean of its divisors is an integer number (662507564295).

Almost surely, 2^{1325015128589} is an apocalyptic number.

It is an amenable number.

1325015128589 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325015128589 is an equidigital number, since it uses as much as digits as its factorization.

1325015128589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864000, while the sum is 50.

The spelling of 1325015128589 in words is "one trillion, three hundred twenty-five billion, fifteen million, one hundred twenty-eight thousand, five hundred eighty-nine".