1105814081 has 2 divisors, whose sum is σ = 1105814082. Its totient is φ = 1105814080.

The previous prime is 1105813991. The next prime is 1105814089. The reversal of 1105814081 is 1804185011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 935381056 + 170433025 = 30584^2 + 13055^2 .

It is an emirp because it is prime and its reverse (1804185011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1105814081 - 2¹⁰ = 1105813057 is a prime.

It is a super-2 number, since 2×1105814081² = 2445649563475749122, which contains 22 as substring.

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 (1105814089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552907040 + 552907041.

It is an arithmetic number, because the mean of its divisors is an integer number (552907041).

Almost surely, 2^1105814081 is an apocalyptic number.

It is an amenable number.

1105814081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105814081 is an equidigital number, since it uses as much as digits as its factorization.

1105814081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 29.

The square root of 1105814081 is about 33253.7829577328. The cubic root of 1105814081 is about 1034.0956357562.

Adding to 1105814081 its reverse (1804185011), we get a palindrome (2909999092).

The spelling of 1105814081 in words is "one billion, one hundred five million, eight hundred fourteen thousand, eighty-one".