80106811 has 2 divisors, whose sum is σ = 80106812. Its totient is φ = 80106810.

The previous prime is 80106791. The next prime is 80106833. The reversal of 80106811 is 11860108.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80106811 - 2⁵ = 80106779 is a prime.

It is not a weakly prime, because it can be changed into another prime (80106211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40053405 + 40053406.

It is an arithmetic number, because the mean of its divisors is an integer number (40053406).

Almost surely, 2^80106811 is an apocalyptic number.

80106811 is a deficient number, since it is larger than the sum of its proper divisors (1).

80106811 is an equidigital number, since it uses as much as digits as its factorization.

80106811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 25.

The square root of 80106811 is about 8950.2408347485. The cubic root of 80106811 is about 431.0786171621.

Adding to 80106811 its reverse (11860108), we get a palindrome (91966919).

The spelling of 80106811 in words is "eighty million, one hundred six thousand, eight hundred eleven".