1145559135589 has 12 divisors (see below), whose sum is σ = 1273725063072. Its totient is φ = 1021767983600.

The previous prime is 1145559135557. The next prime is 1145559135661. The reversal of 1145559135589 is 9855319555411.

It is a happy number.

It is not a de Polignac number, because 1145559135589 - 2⁵ = 1145559135557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145559135389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18506257 + ... + 18568054.

It is an arithmetic number, because the mean of its divisors is an integer number (106143755256).

Almost surely, 2^{1145559135589} is an apocalyptic number.

It is an amenable number.

1145559135589 is a deficient number, since it is larger than the sum of its proper divisors (128165927483).

1145559135589 is an equidigital number, since it uses as much as digits as its factorization.

1145559135589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37074428 (or 37074375 counting only the distinct ones).

The product of its digits is 24300000, while the sum is 61.

The spelling of 1145559135589 in words is "one trillion, one hundred forty-five billion, five hundred fifty-nine million, one hundred thirty-five thousand, five hundred eighty-nine".