11850883813 has 12 divisors (see below), whose sum is σ = 12518951340. Its totient is φ = 11216822976.

The previous prime is 11850883769. The next prime is 11850883829. The reversal of 11850883813 is 31838805811.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4947434244 + 6903449569 = 70338^2 + 83087^2 .

It is not a de Polignac number, because 11850883813 - 2¹⁷ = 11850752741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11850883853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 393031 + ... + 422107.

It is an arithmetic number, because the mean of its divisors is an integer number (1043245945).

Almost surely, 2^11850883813 is an apocalyptic number.

It is an amenable number.

11850883813 is a deficient number, since it is larger than the sum of its proper divisors (668067527).

11850883813 is a wasteful number, since it uses less digits than its factorization.

11850883813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30244 (or 30225 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 46.

The spelling of 11850883813 in words is "eleven billion, eight hundred fifty million, eight hundred eighty-three thousand, eight hundred thirteen".