11805031948 has 24 divisors (see below), whose sum is σ = 21878110800. Its totient is φ = 5554272768.

The previous prime is 11805031937. The next prime is 11805031963. The reversal of 11805031948 is 84913050811.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11805031948.

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 7 ways as a sum of consecutive naturals, for example, 448168 + ... + 473776.

It is an arithmetic number, because the mean of its divisors is an integer number (911587950).

Almost surely, 2^11805031948 is an apocalyptic number.

It is an amenable number.

11805031948 is a deficient number, since it is larger than the sum of its proper divisors (10073078852).

11805031948 is a wasteful number, since it uses less digits than its factorization.

11805031948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32409 (or 32407 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 40.

The spelling of 11805031948 in words is "eleven billion, eight hundred five million, thirty-one thousand, nine hundred forty-eight".