1827328072111 has 4 divisors (see below), whose sum is σ = 1869824073832. Its totient is φ = 1784832070392.

The previous prime is 1827328072103. The next prime is 1827328072139. The reversal of 1827328072111 is 1112708237281.

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 1827328072111 - 2³ = 1827328072103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 42496001677 = 1827328072111 / (1 + 8 + 2 + 7 + 3 + 2 + 8 + 0 + 7 + 2 + 1 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1827328072151) 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, 21248000796 + ... + 21248000881.

It is an arithmetic number, because the mean of its divisors is an integer number (467456018458).

Almost surely, 2^{1827328072111} is an apocalyptic number.

1827328072111 is a deficient number, since it is larger than the sum of its proper divisors (42496001721).

1827328072111 is an equidigital number, since it uses as much as digits as its factorization.

1827328072111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42496001720.

The product of its (nonzero) digits is 75264, while the sum is 43.

The spelling of 1827328072111 in words is "one trillion, eight hundred twenty-seven billion, three hundred twenty-eight million, seventy-two thousand, one hundred eleven".