11011111109699 has 2 divisors, whose sum is σ = 11011111109700. Its totient is φ = 11011111109698.

The previous prime is 11011111109653. The next prime is 11011111109737. The reversal of 11011111109699 is 99690111111011.

It is a strong prime.

It is an emirp because it is prime and its reverse (99690111111011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11011111109699 - 2⁸ = 11011111109443 is a prime.

It is not a weakly prime, because it can be changed into another prime (11011101109699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505555554849 + 5505555554850.

It is an arithmetic number, because the mean of its divisors is an integer number (5505555554850).

Almost surely, 2^{11011111109699} is an apocalyptic number.

11011111109699 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011111109699 is an equidigital number, since it uses as much as digits as its factorization.

11011111109699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 41.

The spelling of 11011111109699 in words is "eleven trillion, eleven billion, one hundred eleven million, one hundred nine thousand, six hundred ninety-nine".