80105112 has 40 divisors (see below), whose sum is σ = 224370300. Its totient is φ = 26701488.

The previous prime is 80105099. The next prime is 80105117. The reversal of 80105112 is 21150108.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80105117) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 61162 + ... + 62457.

Almost surely, 2^80105112 is an apocalyptic number.

It is an amenable number.

80105112 is an abundant number, since it is smaller than the sum of its proper divisors (144265188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80105112 is a wasteful number, since it uses less digits than its factorization.

80105112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123637 (or 123624 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 80105112 is about 8950.1459205982. The cubic root of 80105112 is about 431.0755695321.

The spelling of 80105112 in words is "eighty million, one hundred five thousand, one hundred twelve".