11100909973 has 4 divisors (see below), whose sum is σ = 11101559040. Its totient is φ = 11100260908.

The previous prime is 11100909893. The next prime is 11100909979. The reversal of 11100909973 is 37990900111.

11100909973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-11100909973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100909979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298165 + ... + 333322.

It is an arithmetic number, because the mean of its divisors is an integer number (2775389760).

Almost surely, 2^11100909973 is an apocalyptic number.

It is an amenable number.

11100909973 is a deficient number, since it is larger than the sum of its proper divisors (649067).

11100909973 is an equidigital number, since it uses as much as digits as its factorization.

11100909973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649066.

The product of its (nonzero) digits is 15309, while the sum is 40.

The spelling of 11100909973 in words is "eleven billion, one hundred million, nine hundred nine thousand, nine hundred seventy-three".