11331304144 has 10 divisors (see below), whose sum is σ = 21954401810. Its totient is φ = 5665652064.

The previous prime is 11331304139. The next prime is 11331304157. The reversal of 11331304144 is 44140313311.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11189408400 + 141895744 = 105780^2 + 11912^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354103239 + ... + 354103270.

It is an arithmetic number, because the mean of its divisors is an integer number (2195440181).

Almost surely, 2^11331304144 is an apocalyptic number.

It is an amenable number.

11331304144 is a deficient number, since it is larger than the sum of its proper divisors (10623097666).

11331304144 is an equidigital number, since it uses as much as digits as its factorization.

11331304144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708206517 (or 708206511 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 11331304144 its reverse (44140313311), we get a palindrome (55471617455).

The spelling of 11331304144 in words is "eleven billion, three hundred thirty-one million, three hundred four thousand, one hundred forty-four".