1000011010811 has 2 divisors, whose sum is σ = 1000011010812. Its totient is φ = 1000011010810.

The previous prime is 1000011010781. The next prime is 1000011010837. The reversal of 1000011010811 is 1180101100001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1000011010811 - 2³⁴ = 982831141627 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000011010861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500005505405 + 500005505406.

It is an arithmetic number, because the mean of its divisors is an integer number (500005505406).

Almost surely, 2^{1000011010811} is an apocalyptic number.

1000011010811 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000011010811 is an equidigital number, since it uses as much as digits as its factorization.

1000011010811 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 1000011010811 its reverse (1180101100001), we get a palindrome (2180112110812).

The spelling of 1000011010811 in words is "one trillion, eleven million, ten thousand, eight hundred eleven".