11101101000161 has 2 divisors, whose sum is σ = 11101101000162. Its totient is φ = 11101101000160.

The previous prime is 11101101000137. The next prime is 11101101000181. The reversal of 11101101000161 is 16100010110111.

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., 9383837523025 + 1717263477136 = 3063305^2 + 1310444^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11101101000161 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11101101000181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550550500080 + 5550550500081.

It is an arithmetic number, because the mean of its divisors is an integer number (5550550500081).

Almost surely, 2^{11101101000161} is an apocalyptic number.

It is an amenable number.

11101101000161 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101101000161 is an equidigital number, since it uses as much as digits as its factorization.

11101101000161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 14.

Adding to 11101101000161 its reverse (16100010110111), we get a palindrome (27201111110272).

The spelling of 11101101000161 in words is "eleven trillion, one hundred one billion, one hundred one million, one hundred sixty-one", and thus it is an aban number.