1806095493311 has 4 divisors (see below), whose sum is σ = 1806144580824. Its totient is φ = 1806046405800.

The previous prime is 1806095493287. The next prime is 1806095493331. The reversal of 1806095493311 is 1133945906081.

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-1806095493311 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 1806095493311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1806095493331) 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, 24488525 + ... + 24562166.

It is an arithmetic number, because the mean of its divisors is an integer number (451536145206).

Almost surely, 2^{1806095493311} is an apocalyptic number.

1806095493311 is a deficient number, since it is larger than the sum of its proper divisors (49087513).

1806095493311 is an equidigital number, since it uses as much as digits as its factorization.

1806095493311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49087512.

The product of its (nonzero) digits is 699840, while the sum is 50.

The spelling of 1806095493311 in words is "one trillion, eight hundred six billion, ninety-five million, four hundred ninety-three thousand, three hundred eleven".