1163317901 has 2 divisors, whose sum is σ = 1163317902. Its totient is φ = 1163317900.

The previous prime is 1163317867. The next prime is 1163317949. The reversal of 1163317901 is 1097133611.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1072497001 + 90820900 = 32749^2 + 9530^2 .

It is a cyclic number.

It is not a de Polignac number, because 1163317901 - 2¹⁰ = 1163316877 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1163317201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581658950 + 581658951.

It is an arithmetic number, because the mean of its divisors is an integer number (581658951).

Almost surely, 2^1163317901 is an apocalyptic number.

It is an amenable number.

1163317901 is a deficient number, since it is larger than the sum of its proper divisors (1).

1163317901 is an equidigital number, since it uses as much as digits as its factorization.

1163317901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 1163317901 is about 34107.4464157022. The cubic root of 1163317901 is about 1051.7183958700.

The spelling of 1163317901 in words is "one billion, one hundred sixty-three million, three hundred seventeen thousand, nine hundred one".