11663117 has 2 divisors, whose sum is σ = 11663118. Its totient is φ = 11663116.

The previous prime is 11663101. The next prime is 11663143. The reversal of 11663117 is 71136611.

It is an a-pointer prime, because the next prime (11663143) can be obtained adding 11663117 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10569001 + 1094116 = 3251^2 + 1046^2 .

It is a cyclic number.

It is not a de Polignac number, because 11663117 - 2⁴ = 11663101 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11663167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5831558 + 5831559.

It is an arithmetic number, because the mean of its divisors is an integer number (5831559).

Almost surely, 2^11663117 is an apocalyptic number.

It is an amenable number.

11663117 is a deficient number, since it is larger than the sum of its proper divisors (1).

11663117 is an equidigital number, since it uses as much as digits as its factorization.

11663117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756, while the sum is 26.

The square root of 11663117 is about 3415.1305977956. The cubic root of 11663117 is about 226.7800660471.

Adding to 11663117 its reverse (71136611), we get a palindrome (82799728).

The spelling of 11663117 in words is "eleven million, six hundred sixty-three thousand, one hundred seventeen".