11111011099 has 2 divisors, whose sum is σ = 11111011100. Its totient is φ = 11111011098.

The previous prime is 11111011091. The next prime is 11111011117. The reversal of 11111011099 is 99011011111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11111011099 - 2³ = 11111011091 is a prime.

It is not a weakly prime, because it can be changed into another prime (11111011091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555505549 + 5555505550.

It is an arithmetic number, because the mean of its divisors is an integer number (5555505550).

Almost surely, 2^11111011099 is an apocalyptic number.

11111011099 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111011099 is an equidigital number, since it uses as much as digits as its factorization.

11111011099 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 11111011099 in words is "eleven billion, one hundred eleven million, eleven thousand, ninety-nine".