11199999999899 has 2 divisors, whose sum is σ = 11199999999900. Its totient is φ = 11199999999898.

The previous prime is 11199999999889. The next prime is 11199999999959. The reversal of 11199999999899 is 99899999999111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11199999999899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11199999999799 and 11199999999808.

It is not a weakly prime, because it can be changed into another prime (11199999999889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5599999999949 + 5599999999950.

It is an arithmetic number, because the mean of its divisors is an integer number (5599999999950).

Almost surely, 2^{11199999999899} is an apocalyptic number.

11199999999899 is a deficient number, since it is larger than the sum of its proper divisors (1).

11199999999899 is an equidigital number, since it uses as much as digits as its factorization.

11199999999899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27894275208, while the sum is 101.

The spelling of 11199999999899 in words is "eleven trillion, one hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, eight hundred ninety-nine".