550505510611 has 12 divisors (see below), whose sum is σ = 649403457840. Its totient is φ = 465215921520.

The previous prime is 550505510609. The next prime is 550505510641. The reversal of 550505510611 is 116015505055.

550505510611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 550505510611 - 2¹ = 550505510609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550505510641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79114876 + ... + 79121833.

It is an arithmetic number, because the mean of its divisors is an integer number (54116954820).

Almost surely, 2^550505510611 is an apocalyptic number.

550505510611 is a deficient number, since it is larger than the sum of its proper divisors (98897947229).

550505510611 is a wasteful number, since it uses less digits than its factorization.

550505510611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158236794 (or 158236787 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 34.

The spelling of 550505510611 in words is "five hundred fifty billion, five hundred five million, five hundred ten thousand, six hundred eleven".