11011000919 has 2 divisors, whose sum is σ = 11011000920. Its totient is φ = 11011000918.

The previous prime is 11011000909. The next prime is 11011000969. The reversal of 11011000919 is 91900011011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11011000919 - 2¹² = 11010996823 is a prime.

It is a super-2 number, since 2×11011000919² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11011000894 and 11011000903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11011000909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505500459 + 5505500460.

It is an arithmetic number, because the mean of its divisors is an integer number (5505500460).

Almost surely, 2^11011000919 is an apocalyptic number.

11011000919 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011000919 is an equidigital number, since it uses as much as digits as its factorization.

11011000919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81, while the sum is 23.

The spelling of 11011000919 in words is "eleven billion, eleven million, nine hundred nineteen", and thus it is an aban number.