111413643 has 32 divisors (see below), whose sum is σ = 165473280. Its totient is φ = 66118560.

The previous prime is 111413611. The next prime is 111413647. The reversal of 111413643 is 346314111.

It is not a de Polignac number, because 111413643 - 2⁵ = 111413611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111413647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 490696 + ... + 490922.

It is an arithmetic number, because the mean of its divisors is an integer number (5171040).

Almost surely, 2^111413643 is an apocalyptic number.

111413643 is a deficient number, since it is larger than the sum of its proper divisors (54059637).

111413643 is a wasteful number, since it uses less digits than its factorization.

111413643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487.

The product of its digits is 864, while the sum is 24.

The square root of 111413643 is about 10555.2661264413. The cubic root of 111413643 is about 481.1857878458.

Adding to 111413643 its reverse (346314111), we get a palindrome (457727754).

The spelling of 111413643 in words is "one hundred eleven million, four hundred thirteen thousand, six hundred forty-three".