80518105 has 16 divisors (see below), whose sum is σ = 104460480. Its totient is φ = 59372352.

The previous prime is 80518099. The next prime is 80518111. The reversal of 80518105 is 50181508.

It is an interprime number because it is at equal distance from previous prime (80518099) and next prime (80518111).

It is a cyclic number.

It is not a de Polignac number, because 80518105 - 2¹¹ = 80516057 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7939 + ... + 14968.

It is an arithmetic number, because the mean of its divisors is an integer number (6528780).

Almost surely, 2^80518105 is an apocalyptic number.

It is an amenable number.

80518105 is a deficient number, since it is larger than the sum of its proper divisors (23942375).

80518105 is a wasteful number, since it uses less digits than its factorization.

80518105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22968.

The product of its (nonzero) digits is 1600, while the sum is 28.

The square root of 80518105 is about 8973.1881179434. The cubic root of 80518105 is about 431.8151232957.

The spelling of 80518105 in words is "eighty million, five hundred eighteen thousand, one hundred five".