11850808859 has 2 divisors, whose sum is σ = 11850808860. Its totient is φ = 11850808858.

The previous prime is 11850808799. The next prime is 11850808873. The reversal of 11850808859 is 95880805811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11850808859 - 2¹⁶ = 11850743323 is a prime.

It is a super-2 number, since 2×11850808859² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11850808859.

It is not a weakly prime, because it can be changed into another prime (11850868859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5925404429 + 5925404430.

It is an arithmetic number, because the mean of its divisors is an integer number (5925404430).

Almost surely, 2^11850808859 is an apocalyptic number.

11850808859 is a deficient number, since it is larger than the sum of its proper divisors (1).

11850808859 is an equidigital number, since it uses as much as digits as its factorization.

11850808859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 921600, while the sum is 53.

The spelling of 11850808859 in words is "eleven billion, eight hundred fifty million, eight hundred eight thousand, eight hundred fifty-nine".