11875109 has 2 divisors, whose sum is σ = 11875110. Its totient is φ = 11875108.

The previous prime is 11875099. The next prime is 11875121. The reversal of 11875109 is 90157811.

11875109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11628100 + 247009 = 3410^2 + 497^2 .

It is a cyclic number.

It is not a de Polignac number, because 11875109 - 2¹⁶ = 11809573 is a prime.

It is a Chen prime.

It is equal to p₇₈₀₃₆₈ and since 11875109 and 780368 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11875169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5937554 + 5937555.

It is an arithmetic number, because the mean of its divisors is an integer number (5937555).

Almost surely, 2^11875109 is an apocalyptic number.

It is an amenable number.

11875109 is a deficient number, since it is larger than the sum of its proper divisors (1).

11875109 is an equidigital number, since it uses as much as digits as its factorization.

11875109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 32.

The square root of 11875109 is about 3446.0280033685. The cubic root of 11875109 is about 228.1458298113.

The spelling of 11875109 in words is "eleven million, eight hundred seventy-five thousand, one hundred nine".