8001817477811 has 2 divisors, whose sum is σ = 8001817477812. Its totient is φ = 8001817477810.

The previous prime is 8001817477781. The next prime is 8001817477817. The reversal of 8001817477811 is 1187747181008.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8001817477811 - 2³⁰ = 8000743735987 is a prime.

It is not a weakly prime, because it can be changed into another prime (8001817477817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4000908738905 + 4000908738906.

It is an arithmetic number, because the mean of its divisors is an integer number (4000908738906).

Almost surely, 2^{8001817477811} is an apocalyptic number.

8001817477811 is a deficient number, since it is larger than the sum of its proper divisors (1).

8001817477811 is an equidigital number, since it uses as much as digits as its factorization.

8001817477811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 702464, while the sum is 53.

The spelling of 8001817477811 in words is "eight trillion, one billion, eight hundred seventeen million, four hundred seventy-seven thousand, eight hundred eleven".