11109940673 has 8 divisors (see below), whose sum is σ = 12350505216. Its totient is φ = 9924512400.

The previous prime is 11109940643. The next prime is 11109940727. The reversal of 11109940673 is 37604990111.

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 11109940673 - 2¹⁰ = 11109939649 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 11109940673.

It is not an unprimeable number, because it can be changed into a prime (11109940643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13783643 + ... + 13784448.

It is an arithmetic number, because the mean of its divisors is an integer number (1543813152).

Almost surely, 2^11109940673 is an apocalyptic number.

11109940673 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11109940673 is a deficient number, since it is larger than the sum of its proper divisors (1240564543).

11109940673 is a wasteful number, since it uses less digits than its factorization.

11109940673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27568135.

The product of its (nonzero) digits is 40824, while the sum is 41.

The spelling of 11109940673 in words is "eleven billion, one hundred nine million, nine hundred forty thousand, six hundred seventy-three".