11701172017 has 2 divisors, whose sum is σ = 11701172018. Its totient is φ = 11701172016.

The previous prime is 11701172003. The next prime is 11701172023. The reversal of 11701172017 is 71027110711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11364412816 + 336759201 = 106604^2 + 18351^2 .

It is a cyclic number.

It is not a de Polignac number, because 11701172017 - 2¹⁵ = 11701139249 is a prime.

It is not a weakly prime, because it can be changed into another prime (11701572017) 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, 5850586008 + 5850586009.

It is an arithmetic number, because the mean of its divisors is an integer number (5850586009).

Almost surely, 2^11701172017 is an apocalyptic number.

It is an amenable number.

11701172017 is a deficient number, since it is larger than the sum of its proper divisors (1).

11701172017 is an equidigital number, since it uses as much as digits as its factorization.

11701172017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 686, while the sum is 28.

Adding to 11701172017 its reverse (71027110711), we get a palindrome (82728282728).

The spelling of 11701172017 in words is "eleven billion, seven hundred one million, one hundred seventy-two thousand, seventeen".