11434130161 has 2 divisors, whose sum is σ = 11434130162. Its totient is φ = 11434130160.

The previous prime is 11434130119. The next prime is 11434130189. The reversal of 11434130161 is 16103143411.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8384881761 + 3049248400 = 91569^2 + 55220^2 .

It is a cyclic number.

It is not a de Polignac number, because 11434130161 - 2¹¹ = 11434128113 is a prime.

It is not a weakly prime, because it can be changed into another prime (11434130261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5717065080 + 5717065081.

It is an arithmetic number, because the mean of its divisors is an integer number (5717065081).

Almost surely, 2^11434130161 is an apocalyptic number.

It is an amenable number.

11434130161 is a deficient number, since it is larger than the sum of its proper divisors (1).

11434130161 is an equidigital number, since it uses as much as digits as its factorization.

11434130161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 11434130161 its reverse (16103143411), we get a palindrome (27537273572).

The spelling of 11434130161 in words is "eleven billion, four hundred thirty-four million, one hundred thirty thousand, one hundred sixty-one".