1169252375989 has 2 divisors, whose sum is σ = 1169252375990. Its totient is φ = 1169252375988.

The previous prime is 1169252375939. The next prime is 1169252376007. The reversal of 1169252375989 is 9895732529611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1161448067025 + 7804308964 = 1077705^2 + 88342^2 .

It is a cyclic number.

It is not a de Polignac number, because 1169252375989 - 2¹¹ = 1169252373941 is a prime.

It is a super-2 number, since 2×1169252375989² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1169252375939) 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, 584626187994 + 584626187995.

It is an arithmetic number, because the mean of its divisors is an integer number (584626187995).

Almost surely, 2^{1169252375989} is an apocalyptic number.

It is an amenable number.

1169252375989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1169252375989 is an equidigital number, since it uses as much as digits as its factorization.

1169252375989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73483200, while the sum is 67.

The spelling of 1169252375989 in words is "one trillion, one hundred sixty-nine billion, two hundred fifty-two million, three hundred seventy-five thousand, nine hundred eighty-nine".