5555939266816 has 27 divisors (see below), whose sum is σ = 11090250926391. Its totient is φ = 2777950776576.

The previous prime is 5555939266769. The next prime is 5555939266817. The reversal of 5555939266816 is 6186629395555.

The square root of 5555939266816 is 2357104.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×5555939266816² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5555939266817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 37640005 + ... + 37787323.

Almost surely, 2^{5555939266816} is an apocalyptic number.

5555939266816 is the 2357104-th square number.

It is an amenable number.

5555939266816 is a deficient number, since it is larger than the sum of its proper divisors (5534311659575).

5555939266816 is an frugal number, since it uses more digits than its factorization.

5555939266816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294654 (or 147321 counting only the distinct ones).

The product of its digits is 524880000, while the sum is 70.

The spelling of 5555939266816 in words is "five trillion, five hundred fifty-five billion, nine hundred thirty-nine million, two hundred sixty-six thousand, eight hundred sixteen".