111144013134 has 96 divisors (see below), whose sum is σ = 282187691136. Its totient is φ = 28858294080.

The previous prime is 111144013121. The next prime is 111144013181. The reversal of 111144013134 is 431310441111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14106004 + ... + 14113880.

It is an arithmetic number, because the mean of its divisors is an integer number (2939455116).

Almost surely, 2^111144013134 is an apocalyptic number.

111144013134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 111144013134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141093845568).

111144013134 is an abundant number, since it is smaller than the sum of its proper divisors (171043678002).

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

111144013134 is a wasteful number, since it uses less digits than its factorization.

111144013134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12270 (or 12263 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 111144013134 its reverse (431310441111), we get a palindrome (542454454245).

The spelling of 111144013134 in words is "one hundred eleven billion, one hundred forty-four million, thirteen thousand, one hundred thirty-four".