11530019 has 2 divisors, whose sum is σ = 11530020. Its totient is φ = 11530018.

The previous prime is 11529997. The next prime is 11530027. The reversal of 11530019 is 91003511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11530019 - 2¹² = 11525923 is a prime.

It is a super-2 number, since 2×11530019² = 265882676280722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11530049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5765009 + 5765010.

It is an arithmetic number, because the mean of its divisors is an integer number (5765010).

Almost surely, 2^11530019 is an apocalyptic number.

11530019 is a deficient number, since it is larger than the sum of its proper divisors (1).

11530019 is an equidigital number, since it uses as much as digits as its factorization.

11530019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 135, while the sum is 20.

The square root of 11530019 is about 3395.5881670191. The cubic root of 11530019 is about 225.9141018483.

The spelling of 11530019 in words is "eleven million, five hundred thirty thousand, nineteen".