111481808 has 10 divisors (see below), whose sum is σ = 215996034. Its totient is φ = 55740896.

The previous prime is 111481807. The next prime is 111481813. The reversal of 111481808 is 808184111.

It can be written as a sum of positive squares in only one way, i.e., 99840064 + 11641744 = 9992^2 + 3412^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111481807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3483791 + ... + 3483822.

Almost surely, 2^111481808 is an apocalyptic number.

It is an amenable number.

111481808 is a deficient number, since it is larger than the sum of its proper divisors (104514226).

111481808 is an equidigital number, since it uses as much as digits as its factorization.

111481808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6967621 (or 6967615 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 32.

The square root of 111481808 is about 10558.4945896657. The cubic root of 111481808 is about 481.2839007321.

The spelling of 111481808 in words is "one hundred eleven million, four hundred eighty-one thousand, eight hundred eight".