80111360 has 72 divisors (see below), whose sum is σ = 219329376. Its totient is φ = 27463680.

The previous prime is 80111341. The next prime is 80111371. The reversal of 80111360 is 6311108.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4490 + ... + 13430.

Almost surely, 2^80111360 is an apocalyptic number.

80111360 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80111360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109664688).

80111360 is an abundant number, since it is smaller than the sum of its proper divisors (139218016).

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

80111360 is an equidigital number, since it uses as much as digits as its factorization.

80111360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8969 (or 8955 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 80111360 is about 8950.4949583808. The cubic root of 80111360 is about 431.0867768491.

Adding to 80111360 its reverse (6311108), we get a palindrome (86422468).

The spelling of 80111360 in words is "eighty million, one hundred eleven thousand, three hundred sixty".