111444243213132 has 18 divisors (see below), whose sum is σ = 281706281455508. Its totient is φ = 37148081071032.

The previous prime is 111444243213091. The next prime is 111444243213137. The reversal of 111444243213132 is 231312342444111.

111444243213132 is a `hidden beast` number, since 1 + 1 + 1 + 4 + 4 + 424 + 3 + 213 + 13 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3095673422587 = 111444243213132 / (1 + 1 + 1 + 4 + 4 + 4 + 2 + 4 + 3 + 2 + 1 + 3 + 1 + 3 + 2).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (111444243213137) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1547836711258 + ... + 1547836711329.

Almost surely, 2^{111444243213132} is an apocalyptic number.

111444243213132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111444243213132 is an abundant number, since it is smaller than the sum of its proper divisors (170262038242376).

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

111444243213132 is a wasteful number, since it uses less digits than its factorization.

111444243213132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3095673422597 (or 3095673422592 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

Adding to 111444243213132 its reverse (231312342444111), we get a palindrome (342756585657243).

The spelling of 111444243213132 in words is "one hundred eleven trillion, four hundred forty-four billion, two hundred forty-three million, two hundred thirteen thousand, one hundred thirty-two".