11856346784 has 24 divisors (see below), whose sum is σ = 23520375648. Its totient is φ = 5882918080.

The previous prime is 11856346783. The next prime is 11856346813. The reversal of 11856346784 is 48764365811.

It is not an unprimeable number, because it can be changed into a prime (11856346783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1409972 + ... + 1418355.

It is an arithmetic number, because the mean of its divisors is an integer number (980015652).

Almost surely, 2^11856346784 is an apocalyptic number.

It is an amenable number.

11856346784 is a deficient number, since it is larger than the sum of its proper divisors (11664028864).

11856346784 is a wasteful number, since it uses less digits than its factorization.

11856346784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2828468 (or 2828460 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 53.

The spelling of 11856346784 in words is "eleven billion, eight hundred fifty-six million, three hundred forty-six thousand, seven hundred eighty-four".