555106055081 has 2 divisors, whose sum is σ = 555106055082. Its totient is φ = 555106055080.

The previous prime is 555106055071. The next prime is 555106055129. The reversal of 555106055081 is 180550601555.

555106055081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 447807225856 + 107298829225 = 669184^2 + 327565^2 .

It is a cyclic number.

It is not a de Polignac number, because 555106055081 - 2¹⁸ = 555105792937 is a prime.

It is a super-2 number, since 2×555106055081² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (555106055041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277553027540 + 277553027541.

It is an arithmetic number, because the mean of its divisors is an integer number (277553027541).

Almost surely, 2^555106055081 is an apocalyptic number.

It is an amenable number.

555106055081 is a deficient number, since it is larger than the sum of its proper divisors (1).

555106055081 is an equidigital number, since it uses as much as digits as its factorization.

555106055081 is an evil number, because the sum of its binary digits is even.

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

The spelling of 555106055081 in words is "five hundred fifty-five billion, one hundred six million, fifty-five thousand, eighty-one".