11103204209 has 8 divisors (see below), whose sum is σ = 11121876480. Its totient is φ = 11084548896.

The previous prime is 11103204157. The next prime is 11103204227. The reversal of 11103204209 is 90240230111.

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 11103204209 - 2⁸ = 11103203953 is a prime.

It is a super-2 number, since 2×11103204209² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11103204269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2050784 + ... + 2056190.

It is an arithmetic number, because the mean of its divisors is an integer number (1390234560).

Almost surely, 2^11103204209 is an apocalyptic number.

It is an amenable number.

11103204209 is a deficient number, since it is larger than the sum of its proper divisors (18672271).

11103204209 is an equidigital number, since it uses as much as digits as its factorization.

11103204209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8479.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 11103204209 in words is "eleven billion, one hundred three million, two hundred four thousand, two hundred nine".