111131434104 has 16 divisors (see below), whose sum is σ = 277828585320. Its totient is φ = 37043811360.

The previous prime is 111131434081. The next prime is 111131434133. The reversal of 111131434104 is 401434131111.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 4630476421 = 111131434104 / (1 + 1 + 1 + 1 + 3 + 1 + 4 + 3 + 4 + 1 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2315238187 + ... + 2315238234.

Almost surely, 2^111131434104 is an apocalyptic number.

It is an amenable number.

111131434104 is an abundant number, since it is smaller than the sum of its proper divisors (166697151216).

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

111131434104 is a wasteful number, since it uses less digits than its factorization.

111131434104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4630476430 (or 4630476426 counting only the distinct ones).

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

Adding to 111131434104 its reverse (401434131111), we get a palindrome (512565565215).

The spelling of 111131434104 in words is "one hundred eleven billion, one hundred thirty-one million, four hundred thirty-four thousand, one hundred four".