80563711111 has 32 divisors (see below), whose sum is σ = 92206033920. Its totient is φ = 69885293184.

The previous prime is 80563711057. The next prime is 80563711117. The reversal of 80563711111 is 11111736508.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 80563711111 - 2¹¹ = 80563709063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80563711117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1524121 + ... + 1576093.

It is an arithmetic number, because the mean of its divisors is an integer number (2881438560).

Almost surely, 2^80563711111 is an apocalyptic number.

80563711111 is a deficient number, since it is larger than the sum of its proper divisors (11642322809).

80563711111 is a wasteful number, since it uses less digits than its factorization.

80563711111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52135.

The product of its (nonzero) digits is 5040, while the sum is 34.

The spelling of 80563711111 in words is "eighty billion, five hundred sixty-three million, seven hundred eleven thousand, one hundred eleven".