1244467162159 has 12 divisors (see below), whose sum is σ = 1362526045608. Its totient is φ = 1129907089440.

The previous prime is 1244467162157. The next prime is 1244467162163. The reversal of 1244467162159 is 9512617644421.

It is not a de Polignac number, because 1244467162159 - 2¹ = 1244467162157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244467162157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12814869 + ... + 12911614.

It is an arithmetic number, because the mean of its divisors is an integer number (113543837134).

Almost surely, 2^{1244467162159} is an apocalyptic number.

1244467162159 is a deficient number, since it is larger than the sum of its proper divisors (118058883449).

1244467162159 is an equidigital number, since it uses as much as digits as its factorization.

1244467162159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25726618 (or 25726557 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 52.

The spelling of 1244467162159 in words is "one trillion, two hundred forty-four billion, four hundred sixty-seven million, one hundred sixty-two thousand, one hundred fifty-nine".