89512512111017 has 2 divisors, whose sum is σ = 89512512111018. Its totient is φ = 89512512111016.

The previous prime is 89512512110999. The next prime is 89512512111047. The reversal of 89512512111017 is 71011121521598.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70723659589696 + 18788852521321 = 8409736^2 + 4334611^2 .

It is a cyclic number.

It is not a de Polignac number, because 89512512111017 - 2²⁰ = 89512511062441 is a prime.

It is not a weakly prime, because it can be changed into another prime (89512512111047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44756256055508 + 44756256055509.

It is an arithmetic number, because the mean of its divisors is an integer number (44756256055509).

Almost surely, 2^{89512512111017} is an apocalyptic number.

It is an amenable number.

89512512111017 is a deficient number, since it is larger than the sum of its proper divisors (1).

89512512111017 is an equidigital number, since it uses as much as digits as its factorization.

89512512111017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 44.

The spelling of 89512512111017 in words is "eighty-nine trillion, five hundred twelve billion, five hundred twelve million, one hundred eleven thousand, seventeen".