11144134544 has 10 divisors (see below), whose sum is σ = 21591760710. Its totient is φ = 5572067264.

The previous prime is 11144134537. The next prime is 11144134579. The reversal of 11144134544 is 44543144111.

It can be written as a sum of positive squares in only one way, i.e., 5774176144 + 5369958400 = 75988^2 + 73280^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11144134544.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 348254189 + ... + 348254220.

It is an arithmetic number, because the mean of its divisors is an integer number (2159176071).

Almost surely, 2^11144134544 is an apocalyptic number.

It is an amenable number.

11144134544 is a deficient number, since it is larger than the sum of its proper divisors (10447626166).

11144134544 is an equidigital number, since it uses as much as digits as its factorization.

11144134544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696508417 (or 696508411 counting only the distinct ones).

The product of its digits is 15360, while the sum is 32.

Adding to 11144134544 its reverse (44543144111), we get a palindrome (55687278655).

The spelling of 11144134544 in words is "eleven billion, one hundred forty-four million, one hundred thirty-four thousand, five hundred forty-four".