550111110959 has 2 divisors, whose sum is σ = 550111110960. Its totient is φ = 550111110958.

The previous prime is 550111110889. The next prime is 550111111051. The reversal of 550111110959 is 959011111055.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550111110959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550111140959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275055555479 + 275055555480.

It is an arithmetic number, because the mean of its divisors is an integer number (275055555480).

Almost surely, 2^550111110959 is an apocalyptic number.

550111110959 is a deficient number, since it is larger than the sum of its proper divisors (1).

550111110959 is an equidigital number, since it uses as much as digits as its factorization.

550111110959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10125, while the sum is 38.

The spelling of 550111110959 in words is "five hundred fifty billion, one hundred eleven million, one hundred ten thousand, nine hundred fifty-nine".