1101660607217 has 2 divisors, whose sum is σ = 1101660607218. Its totient is φ = 1101660607216.

The previous prime is 1101660607127. The next prime is 1101660607231. The reversal of 1101660607217 is 7127060661011.

Together with previous prime (1101660607127) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 601654640896 + 500005966321 = 775664^2 + 707111^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101660607217 - 2²⁶ = 1101593498353 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101660607717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550830303608 + 550830303609.

It is an arithmetic number, because the mean of its divisors is an integer number (550830303609).

Almost surely, 2^{1101660607217} is an apocalyptic number.

It is an amenable number.

1101660607217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101660607217 is an equidigital number, since it uses as much as digits as its factorization.

1101660607217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 38.

The spelling of 1101660607217 in words is "one trillion, one hundred one billion, six hundred sixty million, six hundred seven thousand, two hundred seventeen".