111568481 has 8 divisors (see below), whose sum is σ = 115758720. Its totient is φ = 107401168.

The previous prime is 111568463. The next prime is 111568487. The reversal of 111568481 is 184865111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111568481 - 2⁶ = 111568417 is a prime.

It is a super-2 number, since 2×111568481² = 24895051905294722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111568487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4520 + ... + 15606.

It is an arithmetic number, because the mean of its divisors is an integer number (14469840).

Almost surely, 2^111568481 is an apocalyptic number.

It is an amenable number.

111568481 is a deficient number, since it is larger than the sum of its proper divisors (4190239).

111568481 is a wasteful number, since it uses less digits than its factorization.

111568481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11463.

The product of its digits is 7680, while the sum is 35.

The square root of 111568481 is about 10562.5982125611. The cubic root of 111568481 is about 481.4085952585.

It can be divided in two parts, 1115 and 68481, that added together give a palindrome (69596).

The spelling of 111568481 in words is "one hundred eleven million, five hundred sixty-eight thousand, four hundred eighty-one".