550555566511 has 2 divisors, whose sum is σ = 550555566512. Its totient is φ = 550555566510.

The previous prime is 550555566347. The next prime is 550555566521. The reversal of 550555566511 is 115665555055.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550555566511 is a prime.

It is a super-2 number, since 2×550555566511² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550555566521) 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, 275277783255 + 275277783256.

It is an arithmetic number, because the mean of its divisors is an integer number (275277783256).

Almost surely, 2^550555566511 is an apocalyptic number.

550555566511 is a deficient number, since it is larger than the sum of its proper divisors (1).

550555566511 is an equidigital number, since it uses as much as digits as its factorization.

550555566511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2812500, while the sum is 49.

The spelling of 550555566511 in words is "five hundred fifty billion, five hundred fifty-five million, five hundred sixty-six thousand, five hundred eleven".