11321305144 has 8 divisors (see below), whose sum is σ = 21227447160. Its totient is φ = 5660652568.

The previous prime is 11321305141. The next prime is 11321305153. The reversal of 11321305144 is 44150312311.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321305141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 707581564 + ... + 707581579.

It is an arithmetic number, because the mean of its divisors is an integer number (2653430895).

Almost surely, 2^11321305144 is an apocalyptic number.

It is an amenable number.

11321305144 is a deficient number, since it is larger than the sum of its proper divisors (9906142016).

11321305144 is a wasteful number, since it uses less digits than its factorization.

11321305144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415163149 (or 1415163145 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 11321305144 its reverse (44150312311), we get a palindrome (55471617455).

The spelling of 11321305144 in words is "eleven billion, three hundred twenty-one million, three hundred five thousand, one hundred forty-four".