1103665271311 has 4 divisors (see below), whose sum is σ = 1103745510792. Its totient is φ = 1103585031832.

The previous prime is 1103665271287. The next prime is 1103665271351. The reversal of 1103665271311 is 1131725663011.

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 1103665271311 - 2¹¹ = 1103665269263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103665271351) 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, 40099105 + ... + 40126618.

It is an arithmetic number, because the mean of its divisors is an integer number (275936377698).

Almost surely, 2^{1103665271311} is an apocalyptic number.

1103665271311 is a deficient number, since it is larger than the sum of its proper divisors (80239481).

1103665271311 is an equidigital number, since it uses as much as digits as its factorization.

1103665271311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80239480.

The product of its (nonzero) digits is 22680, while the sum is 37.

The spelling of 1103665271311 in words is "one trillion, one hundred three billion, six hundred sixty-five million, two hundred seventy-one thousand, three hundred eleven".