1826662811811 has 8 divisors (see below), whose sum is σ = 2436636269760. Its totient is φ = 1217232280872.

The previous prime is 1826662811807. The next prime is 1826662811837. The reversal of 1826662811811 is 1181182666281.

It is a happy number.

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

It is not a de Polignac number, because 1826662811811 - 2² = 1826662811807 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1826662819811) 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 7 ways as a sum of consecutive naturals, for example, 135723901 + ... + 135737358.

It is an arithmetic number, because the mean of its divisors is an integer number (304579533720).

Almost surely, 2^{1826662811811} is an apocalyptic number.

1826662811811 is a deficient number, since it is larger than the sum of its proper divisors (609973457949).

1826662811811 is a wasteful number, since it uses less digits than its factorization.

1826662811811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271463505.

The product of its digits is 442368, while the sum is 51.

The spelling of 1826662811811 in words is "one trillion, eight hundred twenty-six billion, six hundred sixty-two million, eight hundred eleven thousand, eight hundred eleven".