111420160 has 72 divisors (see below), whose sum is σ = 271451376. Its totient is φ = 43806720.

The previous prime is 111420157. The next prime is 111420173. The reversal of 111420160 is 61024111.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 77367 + ... + 78793.

It is an arithmetic number, because the mean of its divisors is an integer number (3770158).

Almost surely, 2^111420160 is an apocalyptic number.

111420160 is a gapful number since it is divisible by the number (10) 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 111420160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135725688).

111420160 is an abundant number, since it is smaller than the sum of its proper divisors (160031216).

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

111420160 is an equidigital number, since it uses as much as digits as its factorization.

111420160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509 (or 1495 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 111420160 is about 10555.5748303918. The cubic root of 111420160 is about 481.1951697807.

Adding to 111420160 its reverse (61024111), we get a palindrome (172444271).

The spelling of 111420160 in words is "one hundred eleven million, four hundred twenty thousand, one hundred sixty".