11100001109989 has 8 divisors (see below), whose sum is σ = 12228984122400. Its totient is φ = 9991000098000.

The previous prime is 11100001109983. The next prime is 11100001109993. The reversal of 11100001109989 is 98990110000111.

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 11100001109989 - 2²⁵ = 11099967555557 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 (11100001109983) 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, 4995498939 + ... + 4995501160.

It is an arithmetic number, because the mean of its divisors is an integer number (1528623015300).

Almost surely, 2^{11100001109989} is an apocalyptic number.

It is an amenable number.

11100001109989 is a deficient number, since it is larger than the sum of its proper divisors (1128983012411).

11100001109989 is a wasteful number, since it uses less digits than its factorization.

11100001109989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9991000211.

The product of its (nonzero) digits is 5832, while the sum is 40.

The spelling of 11100001109989 in words is "eleven trillion, one hundred billion, one million, one hundred nine thousand, nine hundred eighty-nine".