11641859 has 2 divisors, whose sum is σ = 11641860. Its totient is φ = 11641858.

The previous prime is 11641837. The next prime is 11641867. The reversal of 11641859 is 95814611.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11641859 is a prime.

It is not a weakly prime, because it can be changed into another prime (11641879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5820929 + 5820930.

It is an arithmetic number, because the mean of its divisors is an integer number (5820930).

Almost surely, 2^11641859 is an apocalyptic number.

11641859 is a deficient number, since it is larger than the sum of its proper divisors (1).

11641859 is an equidigital number, since it uses as much as digits as its factorization.

11641859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 35.

The square root of 11641859 is about 3412.0168522444. The cubic root of 11641859 is about 226.6422005984.

The spelling of 11641859 in words is "eleven million, six hundred forty-one thousand, eight hundred fifty-nine".