109011043 has 2 divisors, whose sum is σ = 109011044. Its totient is φ = 109011042.

The previous prime is 109010981. The next prime is 109011047. The reversal of 109011043 is 340110901.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 109011043 - 2²⁵ = 75456611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109011043.

It is not a weakly prime, because it can be changed into another prime (109011047) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54505521 + 54505522.

It is an arithmetic number, because the mean of its divisors is an integer number (54505522).

Almost surely, 2^109011043 is an apocalyptic number.

109011043 is a deficient number, since it is larger than the sum of its proper divisors (1).

109011043 is an equidigital number, since it uses as much as digits as its factorization.

109011043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 109011043 is about 10440.8353592996. The cubic root of 109011043 is about 477.7017493088.

Adding to 109011043 its reverse (340110901), we get a palindrome (449121944).

The spelling of 109011043 in words is "one hundred nine million, eleven thousand, forty-three".