55511212541017 has 2 divisors, whose sum is σ = 55511212541018. Its totient is φ = 55511212541016.

The previous prime is 55511212540937. The next prime is 55511212541039. The reversal of 55511212541017 is 71014521211555.

55511212541017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54645374847001 + 865837694016 = 7392251^2 + 930504^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55511212541017 is a prime.

It is not a weakly prime, because it can be changed into another prime (55511212341017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27755606270508 + 27755606270509.

It is an arithmetic number, because the mean of its divisors is an integer number (27755606270509).

Almost surely, 2^{55511212541017} is an apocalyptic number.

It is an amenable number.

55511212541017 is a deficient number, since it is larger than the sum of its proper divisors (1).

55511212541017 is an equidigital number, since it uses as much as digits as its factorization.

55511212541017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70000, while the sum is 40.

The spelling of 55511212541017 in words is "fifty-five trillion, five hundred eleven billion, two hundred twelve million, five hundred forty-one thousand, seventeen".