11110110161 has 2 divisors, whose sum is σ = 11110110162. Its totient is φ = 11110110160.

The previous prime is 11110110083. The next prime is 11110110169. The reversal of 11110110161 is 16101101111.

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., 8202743761 + 2907366400 = 90569^2 + 53920^2 .

It is an emirp because it is prime and its reverse (16101101111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11110110161 - 2¹⁰ = 11110109137 is a prime.

It is not a weakly prime, because it can be changed into another prime (11110110169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555055080 + 5555055081.

It is an arithmetic number, because the mean of its divisors is an integer number (5555055081).

Almost surely, 2^11110110161 is an apocalyptic number.

It is an amenable number.

11110110161 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110110161 is an equidigital number, since it uses as much as digits as its factorization.

11110110161 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 11110110161 its reverse (16101101111), we get a palindrome (27211211272).

The spelling of 11110110161 in words is "eleven billion, one hundred ten million, one hundred ten thousand, one hundred sixty-one".