552012205561 has 2 divisors, whose sum is σ = 552012205562.
Its totient is φ = 552012205560.
The previous prime is 552012205529. The next prime is 552012205573. The reversal of 552012205561 is 165502210255.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 481003279936 + 71008925625 = 693544^2 + 266475^2
It is a cyclic number.
It is not a de Polignac number, because 552012205561 - 25 = 552012205529 is a prime.
It is not a weakly prime, because it can be changed into another prime (552012200561) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276006102780 + 276006102781.
It is an arithmetic number, because the mean of its divisors is an integer number (276006102781).
Almost surely, 2552012205561 is an apocalyptic number.
It is an amenable number.
552012205561 is a deficient number, since it is larger than the sum of its proper divisors (1).
552012205561 is an equidigital number, since it uses as much as digits as its factorization.
552012205561 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 30000, while the sum is 34.
The spelling of 552012205561 in words is "five hundred fifty-two billion, twelve million, two hundred five thousand, five hundred sixty-one".