11003231099 has 4 divisors (see below), whose sum is σ = 12575121264. Its totient is φ = 9431340936.

The previous prime is 11003231093. The next prime is 11003231101. The reversal of 11003231099 is 99013230011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11003231099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11003231093) 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, 785945072 + ... + 785945085.

It is an arithmetic number, because the mean of its divisors is an integer number (3143780316).

Almost surely, 2^11003231099 is an apocalyptic number.

11003231099 is a deficient number, since it is larger than the sum of its proper divisors (1571890165).

11003231099 is an equidigital number, since it uses as much as digits as its factorization.

11003231099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571890164.

The product of its (nonzero) digits is 1458, while the sum is 29.

The spelling of 11003231099 in words is "eleven billion, three million, two hundred thirty-one thousand, ninety-nine".