11856305222 has 4 divisors (see below), whose sum is σ = 17784457836. Its totient is φ = 5928152610.

The previous prime is 11856305221. The next prime is 11856305249. The reversal of 11856305222 is 22250365811.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11856305221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2964076304 + ... + 2964076307.

It is an arithmetic number, because the mean of its divisors is an integer number (4446114459).

Almost surely, 2^11856305222 is an apocalyptic number.

11856305222 is a deficient number, since it is larger than the sum of its proper divisors (5928152614).

11856305222 is an equidigital number, since it uses as much as digits as its factorization.

11856305222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5928152613.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 11856305222 in words is "eleven billion, eight hundred fifty-six million, three hundred five thousand, two hundred twenty-two".