11005019 has 2 divisors, whose sum is σ = 11005020. Its totient is φ = 11005018.

The previous prime is 11005013. The next prime is 11005037. The reversal of 11005019 is 91050011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11005019 is a prime.

It is a super-2 number, since 2×11005019² = 242220886380722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 11004988 and 11005006.

It is not a weakly prime, because it can be changed into another prime (11005013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5502509 + 5502510.

It is an arithmetic number, because the mean of its divisors is an integer number (5502510).

Almost surely, 2^11005019 is an apocalyptic number.

11005019 is a deficient number, since it is larger than the sum of its proper divisors (1).

11005019 is an equidigital number, since it uses as much as digits as its factorization.

11005019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45, while the sum is 17.

The square root of 11005019 is about 3317.3813467854. The cubic root of 11005019 is about 222.4318286292.

The spelling of 11005019 in words is "eleven million, five thousand, nineteen".