551123048771 has 2 divisors, whose sum is σ = 551123048772. Its totient is φ = 551123048770.

The previous prime is 551123048761. The next prime is 551123048783. The reversal of 551123048771 is 177840321155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 551123048771 - 2¹⁰ = 551123047747 is a prime.

It is a super-2 number, since 2×551123048771² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (551123048701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275561524385 + 275561524386.

It is an arithmetic number, because the mean of its divisors is an integer number (275561524386).

Almost surely, 2^551123048771 is an apocalyptic number.

551123048771 is a deficient number, since it is larger than the sum of its proper divisors (1).

551123048771 is an equidigital number, since it uses as much as digits as its factorization.

551123048771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 235200, while the sum is 44.

The spelling of 551123048771 in words is "five hundred fifty-one billion, one hundred twenty-three million, forty-eight thousand, seven hundred seventy-one".