10010001161 has 2 divisors, whose sum is σ = 10010001162. Its totient is φ = 10010001160.

The previous prime is 10010001151. The next prime is 10010001227. The reversal of 10010001161 is 16110001001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5177665936 + 4832335225 = 71956^2 + 69515^2 .

It is an emirp because it is prime and its reverse (16110001001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10010001161 - 2¹⁰ = 10010000137 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 (10010001121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005000580 + 5005000581.

It is an arithmetic number, because the mean of its divisors is an integer number (5005000581).

Almost surely, 2^10010001161 is an apocalyptic number.

It is an amenable number.

10010001161 is a deficient number, since it is larger than the sum of its proper divisors (1).

10010001161 is an equidigital number, since it uses as much as digits as its factorization.

10010001161 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 11.

Adding to 10010001161 its reverse (16110001001), we get a palindrome (26120002162).

The spelling of 10010001161 in words is "ten billion, ten million, one thousand, one hundred sixty-one".