11111110099 has 4 divisors (see below), whose sum is σ = 11125052064. Its totient is φ = 11097168136.

The previous prime is 11111110067. The next prime is 11111110103. The reversal of 11111110099 is 99001111111.

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 11111110099 - 2⁵ = 11111110067 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11111110039) 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, 6969787 + ... + 6971380.

It is an arithmetic number, because the mean of its divisors is an integer number (2781263016).

Almost surely, 2^11111110099 is an apocalyptic number.

11111110099 is a deficient number, since it is larger than the sum of its proper divisors (13941965).

11111110099 is an equidigital number, since it uses as much as digits as its factorization.

11111110099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13941964.

The product of its (nonzero) digits is 81, while the sum is 25.

The spelling of 11111110099 in words is "eleven billion, one hundred eleven million, one hundred ten thousand, ninety-nine".