550661726611 has 2 divisors, whose sum is σ = 550661726612. Its totient is φ = 550661726610.

The previous prime is 550661726569. The next prime is 550661726617. The reversal of 550661726611 is 116627166055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 550661726611 - 2³³ = 542071792019 is a prime.

It is not a weakly prime, because it can be changed into another prime (550661726617) 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 as a sum of consecutive naturals, namely, 275330863305 + 275330863306.

It is an arithmetic number, because the mean of its divisors is an integer number (275330863306).

Almost surely, 2^550661726611 is an apocalyptic number.

550661726611 is a deficient number, since it is larger than the sum of its proper divisors (1).

550661726611 is an equidigital number, since it uses as much as digits as its factorization.

550661726611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 46.

The spelling of 550661726611 in words is "five hundred fifty billion, six hundred sixty-one million, seven hundred twenty-six thousand, six hundred eleven".