111105427368 has 128 divisors (see below), whose sum is σ = 316289433600. Its totient is φ = 32241390336.

The previous prime is 111105427337. The next prime is 111105427379. The reversal of 111105427368 is 863724501111.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1279921 + ... + 1363967.

It is an arithmetic number, because the mean of its divisors is an integer number (2471011200).

Almost surely, 2^111105427368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111105427368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158144716800).

111105427368 is an abundant number, since it is smaller than the sum of its proper divisors (205184006232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111105427368 is a wasteful number, since it uses less digits than its factorization.

111105427368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84311 (or 84307 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

Adding to 111105427368 its reverse (863724501111), we get a palindrome (974829928479).

The spelling of 111105427368 in words is "one hundred eleven billion, one hundred five million, four hundred twenty-seven thousand, three hundred sixty-eight".