11320019 has 2 divisors, whose sum is σ = 11320020. Its totient is φ = 11320018.

The previous prime is 11320013. The next prime is 11320031. The reversal of 11320019 is 91002311.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11320019 - 2⁴ = 11320003 is a prime.

It is a super-2 number, since 2×11320019² = 256285660320722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11319979 and 11320006.

It is not a weakly prime, because it can be changed into another prime (11320013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660009 + 5660010.

It is an arithmetic number, because the mean of its divisors is an integer number (5660010).

Almost surely, 2^11320019 is an apocalyptic number.

11320019 is a deficient number, since it is larger than the sum of its proper divisors (1).

11320019 is an equidigital number, since it uses as much as digits as its factorization.

11320019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 11320019 is about 3364.5235918329. The cubic root of 11320019 is about 224.5341406371.

The spelling of 11320019 in words is "eleven million, three hundred twenty thousand, nineteen".