11863852841845 has 4 divisors (see below), whose sum is σ = 14236623410220. Its totient is φ = 9491082273472.

The previous prime is 11863852841807. The next prime is 11863852841851. The reversal of 11863852841845 is 54814825836811.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6527933020324 + 5335919821521 = 2554982^2 + 2309961^2 .

It is a cyclic number.

It is not a de Polignac number, because 11863852841845 - 2²¹ = 11863850744693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1186385284180 + ... + 1186385284189.

It is an arithmetic number, because the mean of its divisors is an integer number (3559155852555).

Almost surely, 2^{11863852841845} is an apocalyptic number.

It is an amenable number.

11863852841845 is a deficient number, since it is larger than the sum of its proper divisors (2372770568375).

11863852841845 is an equidigital number, since it uses as much as digits as its factorization.

11863852841845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2372770568374.

The product of its digits is 58982400, while the sum is 64.

The spelling of 11863852841845 in words is "eleven trillion, eight hundred sixty-three billion, eight hundred fifty-two million, eight hundred forty-one thousand, eight hundred forty-five".