161011000100011 has 2 divisors, whose sum is σ = 161011000100012. Its totient is φ = 161011000100010.

The previous prime is 161011000100009. The next prime is 161011000100029. The reversal of 161011000100011 is 110001000110161.

It is a weak prime.

It is an emirp because it is prime and its reverse (110001000110161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 161011000100011 - 2¹ = 161011000100009 is a prime.

Together with 161011000100009, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 161011000099964 and 161011000100000.

It is not a weakly prime, because it can be changed into another prime (161011000100081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80505500050005 + 80505500050006.

It is an arithmetic number, because the mean of its divisors is an integer number (80505500050006).

Almost surely, 2^{161011000100011} is an apocalyptic number.

161011000100011 is a deficient number, since it is larger than the sum of its proper divisors (1).

161011000100011 is an equidigital number, since it uses as much as digits as its factorization.

161011000100011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 161011000100011 its reverse (110001000110161), we get a palindrome (271012000210172).

The spelling of 161011000100011 in words is "one hundred sixty-one trillion, eleven billion, one hundred thousand, eleven".