80841011 has 2 divisors, whose sum is σ = 80841012. Its totient is φ = 80841010.

The previous prime is 80840957. The next prime is 80841031. The reversal of 80841011 is 11014808.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80841011 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80841031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40420505 + 40420506.

It is an arithmetic number, because the mean of its divisors is an integer number (40420506).

Almost surely, 2^80841011 is an apocalyptic number.

80841011 is a deficient number, since it is larger than the sum of its proper divisors (1).

80841011 is an equidigital number, since it uses as much as digits as its factorization.

80841011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 23.

The square root of 80841011 is about 8991.1629392421. The cubic root of 80841011 is about 432.3915970091.

Adding to 80841011 its reverse (11014808), we get a palindrome (91855819).

The spelling of 80841011 in words is "eighty million, eight hundred forty-one thousand, eleven".