11110099999 has 4 divisors (see below), whose sum is σ = 11115927864. Its totient is φ = 11104272136.

The previous prime is 11110099991. The next prime is 11110100011. The reversal of 11110099999 is 99999001111.

It is a happy number.

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 11110099999 - 2³ = 11110099991 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110099991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2911072 + ... + 2914885.

It is an arithmetic number, because the mean of its divisors is an integer number (2778981966).

Almost surely, 2^11110099999 is an apocalyptic number.

11110099999 is a deficient number, since it is larger than the sum of its proper divisors (5827865).

11110099999 is an equidigital number, since it uses as much as digits as its factorization.

11110099999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5827864.

The product of its (nonzero) digits is 59049, while the sum is 49.

The spelling of 11110099999 in words is "eleven billion, one hundred ten million, ninety-nine thousand, nine hundred ninety-nine".