1105806305811 has 8 divisors (see below), whose sum is σ = 1485015663040. Its totient is φ = 731900576232.

The previous prime is 1105806305809. The next prime is 1105806305837. The reversal of 1105806305811 is 1185036085011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1105806305811 - 2¹ = 1105806305809 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 1105806305811.

It is not an unprimeable number, because it can be changed into a prime (1105806305861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1325906425 + ... + 1325907258.

It is an arithmetic number, because the mean of its divisors is an integer number (185626957880).

Almost surely, 2^{1105806305811} is an apocalyptic number.

1105806305811 is a deficient number, since it is larger than the sum of its proper divisors (379209357229).

1105806305811 is a wasteful number, since it uses less digits than its factorization.

1105806305811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2651813825.

The product of its (nonzero) digits is 28800, while the sum is 39.

The spelling of 1105806305811 in words is "one trillion, one hundred five billion, eight hundred six million, three hundred five thousand, eight hundred eleven".