11111009933 has 2 divisors, whose sum is σ = 11111009934. Its totient is φ = 11111009932.

The previous prime is 11111009927. The next prime is 11111009953. The reversal of 11111009933 is 33990011111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6052528804 + 5058481129 = 77798^2 + 71123^2 .

It is a cyclic number.

It is not a de Polignac number, because 11111009933 - 2¹⁴ = 11110993549 is a prime.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 11111009896 and 11111009905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11111009953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555504966 + 5555504967.

It is an arithmetic number, because the mean of its divisors is an integer number (5555504967).

Almost surely, 2^11111009933 is an apocalyptic number.

It is an amenable number.

11111009933 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111009933 is an equidigital number, since it uses as much as digits as its factorization.

11111009933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 729, while the sum is 29.

The spelling of 11111009933 in words is "eleven billion, one hundred eleven million, nine thousand, nine hundred thirty-three".