11244567889 has 4 divisors (see below), whose sum is σ = 11245221540. Its totient is φ = 11243914240.

The previous prime is 11244567883. The next prime is 11244567913. The reversal of 11244567889 is 98876544211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98876544211 = 18077 ⋅5469743.

It can be written as a sum of positive squares in 2 ways, for example, as 6034182400 + 5210385489 = 77680^2 + 72183^2 .

It is a cyclic number.

It is not a de Polignac number, because 11244567889 - 2⁹ = 11244567377 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11244567883) 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 3 ways as a sum of consecutive naturals, for example, 300304 + ... + 335665.

It is an arithmetic number, because the mean of its divisors is an integer number (2811305385).

Almost surely, 2^11244567889 is an apocalyptic number.

It is an amenable number.

11244567889 is a deficient number, since it is larger than the sum of its proper divisors (653651).

11244567889 is an equidigital number, since it uses as much as digits as its factorization.

11244567889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653650.

The product of its digits is 3870720, while the sum is 55.

The spelling of 11244567889 in words is "eleven billion, two hundred forty-four million, five hundred sixty-seven thousand, eight hundred eighty-nine".