18272738282011 has 4 divisors (see below), whose sum is σ = 18323637274800. Its totient is φ = 18221839289224.

The previous prime is 18272738281943. The next prime is 18272738282041. The reversal of 18272738282011 is 11028283727281.

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

It is a cyclic number.

It is not a de Polignac number, because 18272738282011 - 2¹⁷ = 18272738150939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18272738282011.

It is not an unprimeable number, because it can be changed into a prime (18272738282041) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 25449495856 + ... + 25449496573.

It is an arithmetic number, because the mean of its divisors is an integer number (4580909318700).

Almost surely, 2^{18272738282011} is an apocalyptic number.

18272738282011 is a deficient number, since it is larger than the sum of its proper divisors (50898992789).

18272738282011 is an equidigital number, since it uses as much as digits as its factorization.

18272738282011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50898992788.

The product of its (nonzero) digits is 1204224, while the sum is 52.

The spelling of 18272738282011 in words is "eighteen trillion, two hundred seventy-two billion, seven hundred thirty-eight million, two hundred eighty-two thousand, eleven".