1105170009 has 4 divisors (see below), whose sum is σ = 1473560016. Its totient is φ = 736780004.

The previous prime is 1105169993. The next prime is 1105170013. The reversal of 1105170009 is 9000715011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9000715011 = 3 ⋅3000238337.

It is a cyclic number.

It is not a de Polignac number, because 1105170009 - 2⁴ = 1105169993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1105170109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184194999 + ... + 184195004.

It is an arithmetic number, because the mean of its divisors is an integer number (368390004).

Almost surely, 2^1105170009 is an apocalyptic number.

It is an amenable number.

1105170009 is a deficient number, since it is larger than the sum of its proper divisors (368390007).

1105170009 is an equidigital number, since it uses as much as digits as its factorization.

1105170009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368390006.

The product of its (nonzero) digits is 315, while the sum is 24.

The square root of 1105170009 is about 33244.0973557713. The cubic root of 1105170009 is about 1033.8948300313.

The spelling of 1105170009 in words is "one billion, one hundred five million, one hundred seventy thousand, nine".