111501004134 has 16 divisors (see below), whose sum is σ = 240156009072. Its totient is φ = 34308001248.

The previous prime is 111501004133. The next prime is 111501004159. The reversal of 111501004134 is 431400105111.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 111501004134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111501004133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 714749949 + ... + 714750104.

It is an arithmetic number, because the mean of its divisors is an integer number (15009750567).

Almost surely, 2^111501004134 is an apocalyptic number.

111501004134 is an abundant number, since it is smaller than the sum of its proper divisors (128655004938).

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

111501004134 is a wasteful number, since it uses less digits than its factorization.

111501004134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429500071.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 111501004134 its reverse (431400105111), we get a palindrome (542901109245).

The spelling of 111501004134 in words is "one hundred eleven billion, five hundred one million, four thousand, one hundred thirty-four".