11863085205 has 16 divisors (see below), whose sum is σ = 18982751040. Its totient is φ = 6326373888.

The previous prime is 11863085203. The next prime is 11863085249. The reversal of 11863085205 is 50258036811.

It is not a de Polignac number, because 11863085205 - 2¹ = 11863085203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11863085203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156549 + ... + 219621.

It is an arithmetic number, because the mean of its divisors is an integer number (1186421940).

Almost surely, 2^11863085205 is an apocalyptic number.

11863085205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11863085205 is a deficient number, since it is larger than the sum of its proper divisors (7119665835).

11863085205 is a wasteful number, since it uses less digits than its factorization.

11863085205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75620.

The product of its (nonzero) digits is 57600, while the sum is 39.

The spelling of 11863085205 in words is "eleven billion, eight hundred sixty-three million, eighty-five thousand, two hundred five".