11820741836 has 12 divisors (see below), whose sum is σ = 20918729160. Its totient is φ = 5843962080.

The previous prime is 11820741811. The next prime is 11820741859. The reversal of 11820741836 is 63814702811.

It is a junction number, because it is equal to n+sod(n) for n = 11820741793 and 11820741802.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 16601810 + ... + 16602521.

It is an arithmetic number, because the mean of its divisors is an integer number (1743227430).

Almost surely, 2^11820741836 is an apocalyptic number.

It is an amenable number.

11820741836 is a deficient number, since it is larger than the sum of its proper divisors (9097987324).

11820741836 is a wasteful number, since it uses less digits than its factorization.

11820741836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33204424 (or 33204422 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The spelling of 11820741836 in words is "eleven billion, eight hundred twenty million, seven hundred forty-one thousand, eight hundred thirty-six".