80110811 has 4 divisors (see below), whose sum is σ = 87393624. Its totient is φ = 72828000.

The previous prime is 80110787. The next prime is 80110831. The reversal of 80110811 is 11801108.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80110811 - 2⁶ = 80110747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80110831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3641390 + ... + 3641411.

It is an arithmetic number, because the mean of its divisors is an integer number (21848406).

Almost surely, 2^80110811 is an apocalyptic number.

80110811 is a deficient number, since it is larger than the sum of its proper divisors (7282813).

80110811 is a wasteful number, since it uses less digits than its factorization.

80110811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7282812.

The product of its (nonzero) digits is 64, while the sum is 20.

The square root of 80110811 is about 8950.4642896332. The cubic root of 80110811 is about 431.0857921066.

Adding to 80110811 its reverse (11801108), we get a palindrome (91911919).

It can be divided in two parts, 801108 and 11, that multiplied together give a palindrome (8812188).

The spelling of 80110811 in words is "eighty million, one hundred ten thousand, eight hundred eleven".