111408141 has 32 divisors (see below), whose sum is σ = 169050112. Its totient is φ = 64774080.

The previous prime is 111408139. The next prime is 111408149. The reversal of 111408141 is 141804111.

It is not a de Polignac number, because 111408141 - 2¹ = 111408139 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111408149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50916 + ... + 53058.

It is an arithmetic number, because the mean of its divisors is an integer number (5282816).

Almost surely, 2^111408141 is an apocalyptic number.

It is an amenable number.

111408141 is a deficient number, since it is larger than the sum of its proper divisors (57641971).

111408141 is a wasteful number, since it uses less digits than its factorization.

111408141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233.

The product of its (nonzero) digits is 128, while the sum is 21.

The square root of 111408141 is about 10555.0054950246. The cubic root of 111408141 is about 481.1778668297.

The spelling of 111408141 in words is "one hundred eleven million, four hundred eight thousand, one hundred forty-one".