555560105081 has 2 divisors, whose sum is σ = 555560105082. Its totient is φ = 555560105080.

The previous prime is 555560105039. The next prime is 555560105137. The reversal of 555560105081 is 180501065555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 485726757481 + 69833347600 = 696941^2 + 264260^2 .

It is a cyclic number.

It is not a de Polignac number, because 555560105081 - 2⁶ = 555560105017 is a prime.

It is a super-2 number, since 2×555560105081² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (555560105381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277780052540 + 277780052541.

It is an arithmetic number, because the mean of its divisors is an integer number (277780052541).

Almost surely, 2^555560105081 is an apocalyptic number.

It is an amenable number.

555560105081 is a deficient number, since it is larger than the sum of its proper divisors (1).

555560105081 is an equidigital number, since it uses as much as digits as its factorization.

555560105081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150000, while the sum is 41.

The spelling of 555560105081 in words is "five hundred fifty-five billion, five hundred sixty million, one hundred five thousand, eighty-one".