1275560089589 has 2 divisors, whose sum is σ = 1275560089590. Its totient is φ = 1275560089588.

The previous prime is 1275560089543. The next prime is 1275560089669. The reversal of 1275560089589 is 9859800655721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 905129612689 + 370430476900 = 951383^2 + 608630^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1275560089589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1275560089519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637780044794 + 637780044795.

It is an arithmetic number, because the mean of its divisors is an integer number (637780044795).

Almost surely, 2^{1275560089589} is an apocalyptic number.

It is an amenable number.

1275560089589 is a deficient number, since it is larger than the sum of its proper divisors (1).

1275560089589 is an equidigital number, since it uses as much as digits as its factorization.

1275560089589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432000, while the sum is 65.

The spelling of 1275560089589 in words is "one trillion, two hundred seventy-five billion, five hundred sixty million, eighty-nine thousand, five hundred eighty-nine".