551072822281 has 2 divisors, whose sum is σ = 551072822282. Its totient is φ = 551072822280.

The previous prime is 551072822249. The next prime is 551072822317. The reversal of 551072822281 is 182228270155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 279719343225 + 271353479056 = 528885^2 + 520916^2 .

It is a cyclic number.

It is not a de Polignac number, because 551072822281 - 2⁵ = 551072822249 is a prime.

It is a super-2 number, since 2×551072822281² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (551072828281) 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, 275536411140 + 275536411141.

It is an arithmetic number, because the mean of its divisors is an integer number (275536411141).

Almost surely, 2^551072822281 is an apocalyptic number.

It is an amenable number.

551072822281 is a deficient number, since it is larger than the sum of its proper divisors (1).

551072822281 is an equidigital number, since it uses as much as digits as its factorization.

551072822281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 179200, while the sum is 43.

The spelling of 551072822281 in words is "five hundred fifty-one billion, seventy-two million, eight hundred twenty-two thousand, two hundred eighty-one".