1325211242989 has 2 divisors, whose sum is σ = 1325211242990. Its totient is φ = 1325211242988.

The previous prime is 1325211242941. The next prime is 1325211243011. The reversal of 1325211242989 is 9892421125231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1324704317764 + 506925225 = 1150958^2 + 22515^2 .

It is a cyclic number.

It is not a de Polignac number, because 1325211242989 - 2¹³ = 1325211234797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1325211242909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662605621494 + 662605621495.

It is an arithmetic number, because the mean of its divisors is an integer number (662605621495).

Almost surely, 2^{1325211242989} is an apocalyptic number.

It is an amenable number.

1325211242989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325211242989 is an equidigital number, since it uses as much as digits as its factorization.

1325211242989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 49.

The spelling of 1325211242989 in words is "one trillion, three hundred twenty-five billion, two hundred eleven million, two hundred forty-two thousand, nine hundred eighty-nine".