11910859 has 2 divisors, whose sum is σ = 11910860. Its totient is φ = 11910858.

The previous prime is 11910841. The next prime is 11910883. The reversal of 11910859 is 95801911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11910859 - 2⁹ = 11910347 is a prime.

It is not a weakly prime, because it can be changed into another prime (11910809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5955429 + 5955430.

It is an arithmetic number, because the mean of its divisors is an integer number (5955430).

Almost surely, 2^11910859 is an apocalyptic number.

11910859 is a deficient number, since it is larger than the sum of its proper divisors (1).

11910859 is an equidigital number, since it uses as much as digits as its factorization.

11910859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 34.

The square root of 11910859 is about 3451.2112366530. The cubic root of 11910859 is about 228.3745446893.

It can be divided in two parts, 11910 and 859, that added together give a square (12769 = 113²).

The spelling of 11910859 in words is "eleven million, nine hundred ten thousand, eight hundred fifty-nine".