80411711 has 4 divisors (see below), whose sum is σ = 80429712. Its totient is φ = 80393712.

The previous prime is 80411707. The next prime is 80411719. The reversal of 80411711 is 11711408.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 80411711 - 2² = 80411707 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80411719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3350 + ... + 13116.

It is an arithmetic number, because the mean of its divisors is an integer number (20107428).

Almost surely, 2^80411711 is an apocalyptic number.

80411711 is a deficient number, since it is larger than the sum of its proper divisors (18001).

80411711 is an equidigital number, since it uses as much as digits as its factorization.

80411711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18000.

The product of its (nonzero) digits is 224, while the sum is 23.

The square root of 80411711 is about 8967.2577190577. The cubic root of 80411711 is about 431.6248439842.

The spelling of 80411711 in words is "eighty million, four hundred eleven thousand, seven hundred eleven".