550611061111 has 2 divisors, whose sum is σ = 550611061112. Its totient is φ = 550611061110.

The previous prime is 550611061097. The next prime is 550611061151. The reversal of 550611061111 is 111160116055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550611061111 - 2²⁹ = 550074190199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 550611061111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550611061151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275305530555 + 275305530556.

It is an arithmetic number, because the mean of its divisors is an integer number (275305530556).

Almost surely, 2^550611061111 is an apocalyptic number.

550611061111 is a deficient number, since it is larger than the sum of its proper divisors (1).

550611061111 is an equidigital number, since it uses as much as digits as its factorization.

550611061111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 28.

Adding to 550611061111 its reverse (111160116055), we get a palindrome (661771177166).

The spelling of 550611061111 in words is "five hundred fifty billion, six hundred eleven million, sixty-one thousand, one hundred eleven".