11269961 has 2 divisors, whose sum is σ = 11269962. Its totient is φ = 11269960.

The previous prime is 11269949. The next prime is 11269969. The reversal of 11269961 is 16996211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11262736 + 7225 = 3356^2 + 85^2 .

It is an emirp because it is prime and its reverse (16996211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11269961 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11269969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5634980 + 5634981.

It is an arithmetic number, because the mean of its divisors is an integer number (5634981).

Almost surely, 2^11269961 is an apocalyptic number.

It is an amenable number.

11269961 is a deficient number, since it is larger than the sum of its proper divisors (1).

11269961 is an equidigital number, since it uses as much as digits as its factorization.

11269961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 35.

The square root of 11269961 is about 3357.0762576981. The cubic root of 11269961 is about 224.2026824630.

The spelling of 11269961 in words is "eleven million, two hundred sixty-nine thousand, nine hundred sixty-one".