80492511811 has 2 divisors, whose sum is σ = 80492511812. Its totient is φ = 80492511810.

The previous prime is 80492511787. The next prime is 80492511851. The reversal of 80492511811 is 11811529408.

It is an a-pointer prime, because the next prime (80492511851) can be obtained adding 80492511811 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80492511811 - 2¹⁹ = 80491987523 is a prime.

It is not a weakly prime, because it can be changed into another prime (80492511851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40246255905 + 40246255906.

It is an arithmetic number, because the mean of its divisors is an integer number (40246255906).

Almost surely, 2^80492511811 is an apocalyptic number.

80492511811 is a deficient number, since it is larger than the sum of its proper divisors (1).

80492511811 is an equidigital number, since it uses as much as digits as its factorization.

80492511811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 40.

The spelling of 80492511811 in words is "eighty billion, four hundred ninety-two million, five hundred eleven thousand, eight hundred eleven".