1105284161 has 2 divisors, whose sum is σ = 1105284162. Its totient is φ = 1105284160.

The previous prime is 1105284157. The next prime is 1105284203. The reversal of 1105284161 is 1614825011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1040385025 + 64899136 = 32255^2 + 8056^2 .

It is an emirp because it is prime and its reverse (1614825011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1105284161 - 2² = 1105284157 is a prime.

It is not a weakly prime, because it can be changed into another prime (1105284151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552642080 + 552642081.

It is an arithmetic number, because the mean of its divisors is an integer number (552642081).

Almost surely, 2^1105284161 is an apocalyptic number.

It is an amenable number.

1105284161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105284161 is an equidigital number, since it uses as much as digits as its factorization.

1105284161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 29.

The square root of 1105284161 is about 33245.8141876538. The cubic root of 1105284161 is about 1033.9304254897.

The spelling of 1105284161 in words is "one billion, one hundred five million, two hundred eighty-four thousand, one hundred sixty-one".