80321642311 has 4 divisors (see below), whose sum is σ = 82030613472. Its totient is φ = 78612671152.

The previous prime is 80321642231. The next prime is 80321642333. The reversal of 80321642311 is 11324612308.

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 80321642311 - 2²⁵ = 80288087879 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 (80321642341) 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, 854485510 + ... + 854485603.

It is an arithmetic number, because the mean of its divisors is an integer number (20507653368).

Almost surely, 2^80321642311 is an apocalyptic number.

80321642311 is a deficient number, since it is larger than the sum of its proper divisors (1708971161).

80321642311 is a wasteful number, since it uses less digits than its factorization.

80321642311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708971160.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 80321642311 in words is "eighty billion, three hundred twenty-one million, six hundred forty-two thousand, three hundred eleven".