5518332518444 has 12 divisors (see below), whose sum is σ = 9673203918000. Its totient is φ = 2754559970448.

The previous prime is 5518332518443. The next prime is 5518332518471. The reversal of 5518332518444 is 4448152338155.

It is a super-2 number, since 2×5518332518444² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5518332518443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1151569499 + ... + 1151574290.

It is an arithmetic number, because the mean of its divisors is an integer number (806100326500).

Almost surely, 2^{5518332518444} is an apocalyptic number.

It is an amenable number.

5518332518444 is a deficient number, since it is larger than the sum of its proper divisors (4154871399556).

5518332518444 is a wasteful number, since it uses less digits than its factorization.

5518332518444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2303144392 (or 2303144390 counting only the distinct ones).

The product of its digits is 9216000, while the sum is 53.

The spelling of 5518332518444 in words is "five trillion, five hundred eighteen billion, three hundred thirty-two million, five hundred eighteen thousand, four hundred forty-four".