1109145319 has 2 divisors, whose sum is σ = 1109145320. Its totient is φ = 1109145318.

The previous prime is 1109145299. The next prime is 1109145329. The reversal of 1109145319 is 9135419011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1109145319 - 2⁹ = 1109144807 is a prime.

It is a super-2 number, since 2×1109145319² = 2460406677319223522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1109145329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554572659 + 554572660.

It is an arithmetic number, because the mean of its divisors is an integer number (554572660).

Almost surely, 2^1109145319 is an apocalyptic number.

1109145319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1109145319 is an equidigital number, since it uses as much as digits as its factorization.

1109145319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 34.

The square root of 1109145319 is about 33303.8333979739. The cubic root of 1109145319 is about 1035.1329907601.

The spelling of 1109145319 in words is "one billion, one hundred nine million, one hundred forty-five thousand, three hundred nineteen".