11150231161 has 2 divisors, whose sum is σ = 11150231162. Its totient is φ = 11150231160.

The previous prime is 11150231129. The next prime is 11150231207. The reversal of 11150231161 is 16113205111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11121811600 + 28419561 = 105460^2 + 5331^2 .

It is a cyclic number.

It is not a de Polignac number, because 11150231161 - 2⁵ = 11150231129 is a prime.

It is not a weakly prime, because it can be changed into another prime (11150231101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5575115580 + 5575115581.

It is an arithmetic number, because the mean of its divisors is an integer number (5575115581).

Almost surely, 2^11150231161 is an apocalyptic number.

It is an amenable number.

11150231161 is a deficient number, since it is larger than the sum of its proper divisors (1).

11150231161 is an equidigital number, since it uses as much as digits as its factorization.

11150231161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 22.

Adding to 11150231161 its reverse (16113205111), we get a palindrome (27263436272).

The spelling of 11150231161 in words is "eleven billion, one hundred fifty million, two hundred thirty-one thousand, one hundred sixty-one".