11851216082 has 4 divisors (see below), whose sum is σ = 17776824126. Its totient is φ = 5925608040.

The previous prime is 11851216081. The next prime is 11851216129. The reversal of 11851216082 is 28061215811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28061215811 = 6967 ⋅4027733.

It can be written as a sum of positive squares in only one way, i.e., 11737772281 + 113443801 = 108341^2 + 10651^2 .

It is not an unprimeable number, because it can be changed into a prime (11851216081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2962804019 + ... + 2962804022.

Almost surely, 2^11851216082 is an apocalyptic number.

11851216082 is a deficient number, since it is larger than the sum of its proper divisors (5925608044).

11851216082 is an equidigital number, since it uses as much as digits as its factorization.

11851216082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5925608043.

The product of its (nonzero) digits is 7680, while the sum is 35.

The spelling of 11851216082 in words is "eleven billion, eight hundred fifty-one million, two hundred sixteen thousand, eighty-two".