111443141532 has 12 divisors (see below), whose sum is σ = 260033996936. Its totient is φ = 37147713840.

The previous prime is 111443141507. The next prime is 111443141549. The reversal of 111443141532 is 235141344111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 111443141532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4643464219 + ... + 4643464242.

Almost surely, 2^111443141532 is an apocalyptic number.

111443141532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111443141532 is an abundant number, since it is smaller than the sum of its proper divisors (148590855404).

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

111443141532 is a wasteful number, since it uses less digits than its factorization.

111443141532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9286928468 (or 9286928466 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

Adding to 111443141532 its reverse (235141344111), we get a palindrome (346584485643).

The spelling of 111443141532 in words is "one hundred eleven billion, four hundred forty-three million, one hundred forty-one thousand, five hundred thirty-two".