11000100001999 has 2 divisors, whose sum is σ = 11000100002000. Its totient is φ = 11000100001998.

The previous prime is 11000100001967. The next prime is 11000100002027. The reversal of 11000100001999 is 99910000100011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11000100001999 - 2⁵ = 11000100001967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11000100001999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11000100001909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500050000999 + 5500050001000.

It is an arithmetic number, because the mean of its divisors is an integer number (5500050001000).

Almost surely, 2^{11000100001999} is an apocalyptic number.

11000100001999 is a deficient number, since it is larger than the sum of its proper divisors (1).

11000100001999 is an equidigital number, since it uses as much as digits as its factorization.

11000100001999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 729, while the sum is 31.

The spelling of 11000100001999 in words is "eleven trillion, one hundred million, one thousand, nine hundred ninety-nine".