11860109 has 2 divisors, whose sum is σ = 11860110. Its totient is φ = 11860108.

The previous prime is 11860103. The next prime is 11860133. The reversal of 11860109 is 90106811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11526025 + 334084 = 3395^2 + 578^2 .

It is an emirp because it is prime and its reverse (90106811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11860109 - 2⁸ = 11859853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11860103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5930054 + 5930055.

It is an arithmetic number, because the mean of its divisors is an integer number (5930055).

Almost surely, 2^11860109 is an apocalyptic number.

It is an amenable number.

11860109 is a deficient number, since it is larger than the sum of its proper divisors (1).

11860109 is an equidigital number, since it uses as much as digits as its factorization.

11860109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 11860109 is about 3443.8508968885. The cubic root of 11860109 is about 228.0497288164.

The spelling of 11860109 in words is "eleven million, eight hundred sixty thousand, one hundred nine".