80011305 has 24 divisors (see below), whose sum is σ = 151295040. Its totient is φ = 38793120.

The previous prime is 80011259. The next prime is 80011313. The reversal of 80011305 is 50311008.

It is a happy number.

It is not a de Polignac number, because 80011305 - 2⁶ = 80011241 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80325 + ... + 81314.

It is an arithmetic number, because the mean of its divisors is an integer number (6303960).

Almost surely, 2^80011305 is an apocalyptic number.

It is an amenable number.

80011305 is a deficient number, since it is larger than the sum of its proper divisors (71283735).

80011305 is a wasteful number, since it uses less digits than its factorization.

80011305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161661 (or 161658 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 80011305 is about 8944.9038563866. The cubic root of 80011305 is about 430.9072336205.

The spelling of 80011305 in words is "eighty million, eleven thousand, three hundred five".