1106506009 has 4 divisors (see below), whose sum is σ = 1264578304. Its totient is φ = 948433716.

The previous prime is 1106505997. The next prime is 1106506043. The reversal of 1106506009 is 9006056011.

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.

It is a cyclic number.

It is not a de Polignac number, because 1106506009 - 2⁵ = 1106505977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1106506309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79036137 + ... + 79036150.

It is an arithmetic number, because the mean of its divisors is an integer number (316144576).

Almost surely, 2^1106506009 is an apocalyptic number.

It is an amenable number.

1106506009 is a deficient number, since it is larger than the sum of its proper divisors (158072295).

1106506009 is an equidigital number, since it uses as much as digits as its factorization.

1106506009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158072294.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 1106506009 is about 33264.1850794514. The cubic root of 1106506009 is about 1034.3112749404.

The spelling of 1106506009 in words is "one billion, one hundred six million, five hundred six thousand, nine".