1161120050017 has 2 divisors, whose sum is σ = 1161120050018. Its totient is φ = 1161120050016.

The previous prime is 1161120050011. The next prime is 1161120050053. The reversal of 1161120050017 is 7100500211611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 593509996816 + 567610053201 = 770396^2 + 753399^2 .

It is an emirp because it is prime and its reverse (7100500211611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1161120050017 - 2¹⁵ = 1161120017249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1161120049973 and 1161120050000.

It is not a weakly prime, because it can be changed into another prime (1161120050011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580560025008 + 580560025009.

It is an arithmetic number, because the mean of its divisors is an integer number (580560025009).

Almost surely, 2^{1161120050017} is an apocalyptic number.

It is an amenable number.

1161120050017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161120050017 is an equidigital number, since it uses as much as digits as its factorization.

1161120050017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 25.

Adding to 1161120050017 its reverse (7100500211611), we get a palindrome (8261620261628).

The spelling of 1161120050017 in words is "one trillion, one hundred sixty-one billion, one hundred twenty million, fifty thousand, seventeen".