555660000000000 has 2640 divisors, whose sum is σ = 2419409130138000. Its totient is φ = 127008000000000.

The previous prime is 555659999999987. The next prime is 555660000000097. The reversal of 555660000000000 is 66555.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

555660000000000 is a `hidden beast` number, since 5 + 5 + 56 + 600 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 555659999999892 and 555659999999901.

It is a Saint-Exupery number, since it is equal to the product of the sides of a Pythagorean triangle: 105000 × 63000 × 84000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 219 ways as a sum of consecutive naturals, for example, 79379999999997 + ... + 79380000000003.

It is an arithmetic number, because the mean of its divisors is an integer number (916442852325).

Almost surely, 2^{555660000000000} is an apocalyptic number.

555660000000000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 555660000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1209704565069000).

555660000000000 is an abundant number, since it is smaller than the sum of its proper divisors (1863749130138000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

555660000000000 is an frugal number, since it uses more digits than its factorization.

555660000000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

Adding to 555660000000000 its reverse (66555), we get a palindrome (555660000066555).

The spelling of 555660000000000 in words is "five hundred fifty-five trillion, six hundred sixty billion", and thus it is an aban number.