11011101030161 has 2 divisors, whose sum is σ = 11011101030162. Its totient is φ = 11011101030160.

The previous prime is 11011101030131. The next prime is 11011101030169. The reversal of 11011101030161 is 16103010111011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10794056855761 + 217044174400 = 3285431^2 + 465880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11011101030161 is a prime.

It is not a weakly prime, because it can be changed into another prime (11011101030169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505550515080 + 5505550515081.

It is an arithmetic number, because the mean of its divisors is an integer number (5505550515081).

Almost surely, 2^{11011101030161} is an apocalyptic number.

It is an amenable number.

11011101030161 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011101030161 is an equidigital number, since it uses as much as digits as its factorization.

11011101030161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 17.

Adding to 11011101030161 its reverse (16103010111011), we get a palindrome (27114111141172).

The spelling of 11011101030161 in words is "eleven trillion, eleven billion, one hundred one million, thirty thousand, one hundred sixty-one".