11279161 has 2 divisors, whose sum is σ = 11279162. Its totient is φ = 11279160.

The previous prime is 11279159. The next prime is 11279171. The reversal of 11279161 is 16197211.

11279161 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., 10725625 + 553536 = 3275^2 + 744^2 .

It is a cyclic number.

It is not a de Polignac number, because 11279161 - 2¹ = 11279159 is a prime.

Together with 11279159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11279101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5639580 + 5639581.

It is an arithmetic number, because the mean of its divisors is an integer number (5639581).

Almost surely, 2^11279161 is an apocalyptic number.

It is an amenable number.

11279161 is a deficient number, since it is larger than the sum of its proper divisors (1).

11279161 is an equidigital number, since it uses as much as digits as its factorization.

11279161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756, while the sum is 28.

The square root of 11279161 is about 3358.4462181193. The cubic root of 11279161 is about 224.2636736135.

The spelling of 11279161 in words is "eleven million, two hundred seventy-nine thousand, one hundred sixty-one".