11317961 has 2 divisors, whose sum is σ = 11317962. Its totient is φ = 11317960.

The previous prime is 11317951. The next prime is 11317997. The reversal of 11317961 is 16971311.

11317961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11262736 + 55225 = 3356^2 + 235^2 .

It is a cyclic number.

It is not a de Polignac number, because 11317961 - 2¹⁰ = 11316937 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11317921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5658980 + 5658981.

It is an arithmetic number, because the mean of its divisors is an integer number (5658981).

Almost surely, 2^11317961 is an apocalyptic number.

It is an amenable number.

11317961 is a deficient number, since it is larger than the sum of its proper divisors (1).

11317961 is an equidigital number, since it uses as much as digits as its factorization.

11317961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1134, while the sum is 29.

The square root of 11317961 is about 3364.2177396833. The cubic root of 11317961 is about 224.5205329077.

The spelling of 11317961 in words is "eleven million, three hundred seventeen thousand, nine hundred sixty-one".