550505116155 has 8 divisors (see below), whose sum is σ = 880808185872. Its totient is φ = 293602728608.

The previous prime is 550505116153. The next prime is 550505116237. The reversal of 550505116155 is 551611505055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 550505116155 - 2¹ = 550505116153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550505116153) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 18350170524 + ... + 18350170553.

It is an arithmetic number, because the mean of its divisors is an integer number (110101023234).

Almost surely, 2^550505116155 is an apocalyptic number.

550505116155 is a deficient number, since it is larger than the sum of its proper divisors (330303069717).

550505116155 is a wasteful number, since it uses less digits than its factorization.

550505116155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36700341085.

The product of its (nonzero) digits is 93750, while the sum is 39.

The spelling of 550505116155 in words is "five hundred fifty billion, five hundred five million, one hundred sixteen thousand, one hundred fifty-five".