2182724272811 has 4 divisors (see below), whose sum is σ = 2182803124824. Its totient is φ = 2182645420800.

The previous prime is 2182724272759. The next prime is 2182724272831. The reversal of 2182724272811 is 1182724272812.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2182724272811 is a prime.

It is a super-2 number, since 2×2182724272811² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2182724272831) 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, 39384470 + ... + 39439851.

It is an arithmetic number, because the mean of its divisors is an integer number (545700781206).

Almost surely, 2^{2182724272811} is an apocalyptic number.

2182724272811 is a deficient number, since it is larger than the sum of its proper divisors (78852013).

2182724272811 is an equidigital number, since it uses as much as digits as its factorization.

2182724272811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78852012.

The product of its digits is 401408, while the sum is 47.

Subtracting from 2182724272811 its reverse (1182724272812), we obtain a palindrome (999999999999).

The spelling of 2182724272811 in words is "two trillion, one hundred eighty-two billion, seven hundred twenty-four million, two hundred seventy-two thousand, eight hundred eleven".