13144989311 has 8 divisors (see below), whose sum is σ = 13407473040. Its totient is φ = 12883828608.

The previous prime is 13144989283. The next prime is 13144989313. The reversal of 13144989311 is 11398944131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13144989311 - 2¹⁰ = 13144988287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13144989313) 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 7 ways as a sum of consecutive naturals, for example, 310676 + ... + 350441.

It is an arithmetic number, because the mean of its divisors is an integer number (1675934130).

Almost surely, 2^13144989311 is an apocalyptic number.

13144989311 is a deficient number, since it is larger than the sum of its proper divisors (262483729).

13144989311 is an equidigital number, since it uses as much as digits as its factorization.

13144989311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661513.

The product of its digits is 93312, while the sum is 44.

The spelling of 13144989311 in words is "thirteen billion, one hundred forty-four million, nine hundred eighty-nine thousand, three hundred eleven".