1111342019 has 2 divisors, whose sum is σ = 1111342020. Its totient is φ = 1111342018.

The previous prime is 1111342013. The next prime is 1111342039. The reversal of 1111342019 is 9102431111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1111342019 - 2¹⁶ = 1111276483 is a prime.

It is a super-2 number, since 2×1111342019² = 2470162166389992722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1111341985 and 1111342003.

It is not a weakly prime, because it can be changed into another prime (1111342013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555671009 + 555671010.

It is an arithmetic number, because the mean of its divisors is an integer number (555671010).

Almost surely, 2^1111342019 is an apocalyptic number.

1111342019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111342019 is an equidigital number, since it uses as much as digits as its factorization.

1111342019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 1111342019 is about 33336.7967717356. The cubic root of 1111342019 is about 1035.8159121315.

The spelling of 1111342019 in words is "one billion, one hundred eleven million, three hundred forty-two thousand, nineteen".