11101009 has 8 divisors (see below), whose sum is σ = 11575872. Its totient is φ = 10636080.

The previous prime is 11100989. The next prime is 11101033. The reversal of 11101009 is 90010111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11101009 - 2¹⁹ = 10576721 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11101009.

It is not an unprimeable number, because it can be changed into a prime (11101039) 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 in 7 ways as a sum of consecutive naturals, for example, 157 + ... + 4714.

It is an arithmetic number, because the mean of its divisors is an integer number (1446984).

Almost surely, 2^11101009 is an apocalyptic number.

It is an amenable number.

11101009 is a deficient number, since it is larger than the sum of its proper divisors (474863).

11101009 is an equidigital number, since it uses as much as digits as its factorization.

11101009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4967.

The product of its (nonzero) digits is 9, while the sum is 13.

The square root of 11101009 is about 3331.8176720823. The cubic root of 11101009 is about 223.0766693280.

The spelling of 11101009 in words is "eleven million, one hundred one thousand, nine".