11851859 has 2 divisors, whose sum is σ = 11851860. Its totient is φ = 11851858.

The previous prime is 11851841. The next prime is 11851867. The reversal of 11851859 is 95815811.

It is a happy number.

11851859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11851859 - 2⁸ = 11851603 is a prime.

It is not a weakly prime, because it can be changed into another prime (11851559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5925929 + 5925930.

It is an arithmetic number, because the mean of its divisors is an integer number (5925930).

Almost surely, 2^11851859 is an apocalyptic number.

11851859 is a deficient number, since it is larger than the sum of its proper divisors (1).

11851859 is an equidigital number, since it uses as much as digits as its factorization.

11851859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 38.

The square root of 11851859 is about 3442.6529014700. The cubic root of 11851859 is about 227.9968387271.

The spelling of 11851859 in words is "eleven million, eight hundred fifty-one thousand, eight hundred fifty-nine".