111411124109 has 8 divisors (see below), whose sum is σ = 112022196480. Its totient is φ = 110801259856.

The previous prime is 111411124073. The next prime is 111411124117. The reversal of 111411124109 is 901421114111.

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 111411124109 - 2⁸ = 111411123853 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 (111411126109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116777 + ... + 486270.

It is an arithmetic number, because the mean of its divisors is an integer number (14002774560).

Almost surely, 2^111411124109 is an apocalyptic number.

It is an amenable number.

111411124109 is a deficient number, since it is larger than the sum of its proper divisors (611072371).

111411124109 is an equidigital number, since it uses as much as digits as its factorization.

111411124109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604059.

The product of its (nonzero) digits is 288, while the sum is 26.

The spelling of 111411124109 in words is "one hundred eleven billion, four hundred eleven million, one hundred twenty-four thousand, one hundred nine".