1105345019 has 2 divisors, whose sum is σ = 1105345020. Its totient is φ = 1105345018.

The previous prime is 1105345009. The next prime is 1105345039. The reversal of 1105345019 is 9105435011.

It is a weak prime.

It is an emirp because it is prime and its reverse (9105435011) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1105345019 is a prime.

It is a super-2 number, since 2×1105345019² = 2443575222056220722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1105344982 and 1105345000.

It is not a weakly prime, because it can be changed into another prime (1105345009) 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, 552672509 + 552672510.

It is an arithmetic number, because the mean of its divisors is an integer number (552672510).

Almost surely, 2^1105345019 is an apocalyptic number.

1105345019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105345019 is an equidigital number, since it uses as much as digits as its factorization.

1105345019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 1105345019 is about 33246.7294481728. The cubic root of 1105345019 is about 1033.9494015399.

The spelling of 1105345019 in words is "one billion, one hundred five million, three hundred forty-five thousand, nineteen".