11800043956 has 24 divisors (see below), whose sum is σ = 20860880040. Its totient is φ = 5839903872.

The previous prime is 11800043929. The next prime is 11800043963. The reversal of 11800043956 is 65934000811.

It can be written as a sum of positive squares in 4 ways, for example, as 16941456 + 11783102500 = 4116^2 + 108550^2 .

11800043956 is a modest number, since divided by 43956 gives 11800 as remainder.

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 7 ways as a sum of consecutive naturals, for example, 428310 + ... + 455026.

It is an arithmetic number, because the mean of its divisors is an integer number (869203335).

Almost surely, 2^11800043956 is an apocalyptic number.

It is an amenable number.

11800043956 is a deficient number, since it is larger than the sum of its proper divisors (9060836084).

11800043956 is a wasteful number, since it uses less digits than its factorization.

11800043956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27843 (or 27841 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 11800043956 in words is "eleven billion, eight hundred million, forty-three thousand, nine hundred fifty-six".