11011994899 has 2 divisors, whose sum is σ = 11011994900. Its totient is φ = 11011994898.

The previous prime is 11011994837. The next prime is 11011994923. The reversal of 11011994899 is 99849911011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11011994899 - 2¹⁷ = 11011863827 is a prime.

It is not a weakly prime, because it can be changed into another prime (11011994299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505997449 + 5505997450.

It is an arithmetic number, because the mean of its divisors is an integer number (5505997450).

Almost surely, 2^11011994899 is an apocalyptic number.

11011994899 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011994899 is an equidigital number, since it uses as much as digits as its factorization.

11011994899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 52.

The spelling of 11011994899 in words is "eleven billion, eleven million, nine hundred ninety-four thousand, eight hundred ninety-nine".