11730021859 has 2 divisors, whose sum is σ = 11730021860. Its totient is φ = 11730021858.

The previous prime is 11730021791. The next prime is 11730021883. The reversal of 11730021859 is 95812003711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11730021859 - 2¹¹ = 11730019811 is a prime.

It is not a weakly prime, because it can be changed into another prime (11730021899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5865010929 + 5865010930.

It is an arithmetic number, because the mean of its divisors is an integer number (5865010930).

Almost surely, 2^11730021859 is an apocalyptic number.

11730021859 is a deficient number, since it is larger than the sum of its proper divisors (1).

11730021859 is an equidigital number, since it uses as much as digits as its factorization.

11730021859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 37.

The spelling of 11730021859 in words is "eleven billion, seven hundred thirty million, twenty-one thousand, eight hundred fifty-nine".