11011999073 has 2 divisors, whose sum is σ = 11011999074. Its totient is φ = 11011999072.

The previous prime is 11011999069. The next prime is 11011999079. The reversal of 11011999073 is 37099911011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10978219729 + 33779344 = 104777^2 + 5812^2 .

It is an emirp because it is prime and its reverse (37099911011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11011999073 - 2² = 11011999069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11011999073.

It is not a weakly prime, because it can be changed into another prime (11011999079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505999536 + 5505999537.

It is an arithmetic number, because the mean of its divisors is an integer number (5505999537).

Almost surely, 2^11011999073 is an apocalyptic number.

It is an amenable number.

11011999073 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011999073 is an equidigital number, since it uses as much as digits as its factorization.

11011999073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15309, while the sum is 41.

The spelling of 11011999073 in words is "eleven billion, eleven million, nine hundred ninety-nine thousand, seventy-three".