5516311144 has 8 divisors (see below), whose sum is σ = 10343083410. Its totient is φ = 2758155568.

The previous prime is 5516311123. The next prime is 5516311153. The reversal of 5516311144 is 4411136155.

It can be written as a sum of positive squares in only one way, i.e., 5381983044 + 134328100 = 73362^2 + 11590^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344769439 + ... + 344769454.

Almost surely, 2^5516311144 is an apocalyptic number.

It is an amenable number.

5516311144 is a deficient number, since it is larger than the sum of its proper divisors (4826772266).

5516311144 is a wasteful number, since it uses less digits than its factorization.

5516311144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689538899 (or 689538895 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The square root of 5516311144 is about 74271.8731687844. The cubic root of 5516311144 is about 1766.9174158069.

Adding to 5516311144 its reverse (4411136155), we get a palindrome (9927447299).

The spelling of 5516311144 in words is "five billion, five hundred sixteen million, three hundred eleven thousand, one hundred forty-four".