1101163061 has 2 divisors, whose sum is σ = 1101163062. Its totient is φ = 1101163060.

The previous prime is 1101163043. The next prime is 1101163081. The reversal of 1101163061 is 1603611011.

It is a happy number.

It is an a-pointer prime, because the next prime (1101163081) can be obtained adding 1101163061 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 809402500 + 291760561 = 28450^2 + 17081^2 .

It is an emirp because it is prime and its reverse (1603611011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1101163061 - 2¹⁰ = 1101162037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101163081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550581530 + 550581531.

It is an arithmetic number, because the mean of its divisors is an integer number (550581531).

Almost surely, 2^1101163061 is an apocalyptic number.

It is an amenable number.

1101163061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101163061 is an equidigital number, since it uses as much as digits as its factorization.

1101163061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 1101163061 is about 33183.7770755530. Note that the first 3 decimals coincide. The cubic root of 1101163061 is about 1032.6438069253.

Adding to 1101163061 its reverse (1603611011), we get a palindrome (2704774072).

The spelling of 1101163061 in words is "one billion, one hundred one million, one hundred sixty-three thousand, sixty-one".