11100109903 has 4 divisors (see below), whose sum is σ = 11100829680. Its totient is φ = 11099390128.

The previous prime is 11100109901. The next prime is 11100110009. The reversal of 11100109903 is 30990100111.

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

It is a cyclic number.

It is not a de Polignac number, because 11100109903 - 2¹ = 11100109901 is a prime.

It is a super-3 number, since 3×11100109903³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100109901) 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 3 ways as a sum of consecutive naturals, for example, 336238 + ... + 367771.

It is an arithmetic number, because the mean of its divisors is an integer number (2775207420).

Almost surely, 2^11100109903 is an apocalyptic number.

11100109903 is a deficient number, since it is larger than the sum of its proper divisors (719777).

11100109903 is an equidigital number, since it uses as much as digits as its factorization.

11100109903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719776.

The product of its (nonzero) digits is 243, while the sum is 25.

The spelling of 11100109903 in words is "eleven billion, one hundred million, one hundred nine thousand, nine hundred three".