111311244439 has 8 divisors (see below), whose sum is σ = 113153695200. Its totient is φ = 109469364000.

The previous prime is 111311244397. The next prime is 111311244461. The reversal of 111311244439 is 934442113111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111311244439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111311244139) 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, 260337 + ... + 538885.

It is an arithmetic number, because the mean of its divisors is an integer number (14144211900).

Almost surely, 2^111311244439 is an apocalyptic number.

111311244439 is a deficient number, since it is larger than the sum of its proper divisors (1842450761).

111311244439 is an equidigital number, since it uses as much as digits as its factorization.

111311244439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285161.

The product of its digits is 10368, while the sum is 34.

The spelling of 111311244439 in words is "one hundred eleven billion, three hundred eleven million, two hundred forty-four thousand, four hundred thirty-nine".