111412434441 has 64 divisors (see below), whose sum is σ = 196564838400. Its totient is φ = 54830191680.

The previous prime is 111412434431. The next prime is 111412434443. The reversal of 111412434441 is 144434214111.

It is not a de Polignac number, because 111412434441 - 2⁶ = 111412434377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111412434399 and 111412434408.

It is not an unprimeable number, because it can be changed into a prime (111412434443) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 426175 + ... + 635963.

It is an arithmetic number, because the mean of its divisors is an integer number (3071325600).

Almost surely, 2^111412434441 is an apocalyptic number.

111412434441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111412434441 is a deficient number, since it is larger than the sum of its proper divisors (85152403959).

111412434441 is a wasteful number, since it uses less digits than its factorization.

111412434441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209851 (or 209829 counting only the distinct ones).

The product of its digits is 6144, while the sum is 30.

Adding to 111412434441 its reverse (144434214111), we get a palindrome (255846648552).

The spelling of 111412434441 in words is "one hundred eleven billion, four hundred twelve million, four hundred thirty-four thousand, four hundred forty-one".