111444355013 has 8 divisors (see below), whose sum is σ = 113029338240. Its totient is φ = 109859798160.

The previous prime is 111444354971. The next prime is 111444355019. The reversal of 111444355013 is 310553444111.

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 111444355013 - 2⁶ = 111444354949 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 (111444355019) 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, 439631 + ... + 645107.

It is an arithmetic number, because the mean of its divisors is an integer number (14128667280).

Almost surely, 2^111444355013 is an apocalyptic number.

It is an amenable number.

111444355013 is a deficient number, since it is larger than the sum of its proper divisors (1584983227).

111444355013 is an equidigital number, since it uses as much as digits as its factorization.

111444355013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213187.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 111444355013 its reverse (310553444111), we get a palindrome (421997799124).

The spelling of 111444355013 in words is "one hundred eleven billion, four hundred forty-four million, three hundred fifty-five thousand, thirteen".