1101000001811 has 2 divisors, whose sum is σ = 1101000001812. Its totient is φ = 1101000001810.

The previous prime is 1101000001789. The next prime is 1101000001819. The reversal of 1101000001811 is 1181000001011.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1101000001811 - 2²⁶ = 1100932892947 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101000001819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550500000905 + 550500000906.

It is an arithmetic number, because the mean of its divisors is an integer number (550500000906).

Almost surely, 2^{1101000001811} is an apocalyptic number.

1101000001811 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101000001811 is an equidigital number, since it uses as much as digits as its factorization.

1101000001811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1101000001811 its reverse (1181000001011), we get a palindrome (2282000002822).

The spelling of 1101000001811 in words is "one trillion, one hundred one billion, one thousand, eight hundred eleven".