11885852085 has 16 divisors (see below), whose sum is σ = 19019871360. Its totient is φ = 6338285120.

The previous prime is 11885852023. The next prime is 11885852131. The reversal of 11885852085 is 58025858811.

It is not a de Polignac number, because 11885852085 - 2¹¹ = 11885850037 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 75331 + ... + 171599.

It is an arithmetic number, because the mean of its divisors is an integer number (1188741960).

Almost surely, 2^11885852085 is an apocalyptic number.

11885852085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11885852085 is a deficient number, since it is larger than the sum of its proper divisors (7134019275).

11885852085 is an equidigital number, since it uses as much as digits as its factorization.

11885852085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104508.

The product of its (nonzero) digits is 1024000, while the sum is 51.

The spelling of 11885852085 in words is "eleven billion, eight hundred eighty-five million, eight hundred fifty-two thousand, eighty-five".