80105930305 has 16 divisors (see below), whose sum is σ = 105585851520. Its totient is φ = 58072215168.

The previous prime is 80105930279. The next prime is 80105930309. The reversal of 80105930305 is 50303950108.

It is a cyclic number.

It is not a de Polignac number, because 80105930305 - 2¹⁷ = 80105799233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80105930309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18328692 + ... + 18333061.

It is an arithmetic number, because the mean of its divisors is an integer number (6599115720).

Almost surely, 2^80105930305 is an apocalyptic number.

It is an amenable number.

80105930305 is a deficient number, since it is larger than the sum of its proper divisors (25479921215).

80105930305 is a wasteful number, since it uses less digits than its factorization.

80105930305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36661800.

The product of its (nonzero) digits is 16200, while the sum is 34.

The spelling of 80105930305 in words is "eighty billion, one hundred five million, nine hundred thirty thousand, three hundred five".