11109140489 has 8 divisors (see below), whose sum is σ = 11300090400. Its totient is φ = 10918930176.

The previous prime is 11109140473. The next prime is 11109140491. The reversal of 11109140489 is 98404190111.

It is a happy number.

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 11109140489 - 2⁴ = 11109140473 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11109140459) 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, 154559 + ... + 214724.

It is an arithmetic number, because the mean of its divisors is an integer number (1412511300).

Almost surely, 2^11109140489 is an apocalyptic number.

It is an amenable number.

11109140489 is a deficient number, since it is larger than the sum of its proper divisors (190949911).

11109140489 is an equidigital number, since it uses as much as digits as its factorization.

11109140489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369799.

The product of its (nonzero) digits is 10368, while the sum is 38.

The spelling of 11109140489 in words is "eleven billion, one hundred nine million, one hundred forty thousand, four hundred eighty-nine".