111433342252144 has 40 divisors (see below), whose sum is σ = 235634198446080. Its totient is φ = 50629017240000.

The previous prime is 111433342252079. The next prime is 111433342252217. The reversal of 111433342252144 is 441252243334111.

It is a super-2 number, since 2×111433342252144² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111433342252097 and 111433342252106.

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 7 ways as a sum of consecutive naturals, for example, 140239984 + ... + 141032335.

It is an arithmetic number, because the mean of its divisors is an integer number (5890854961152).

Almost surely, 2^{111433342252144} is an apocalyptic number.

It is an amenable number.

111433342252144 is an abundant number, since it is smaller than the sum of its proper divisors (124200856193936).

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

111433342252144 is a wasteful number, since it uses less digits than its factorization.

111433342252144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281274589 (or 281274583 counting only the distinct ones).

The product of its digits is 276480, while the sum is 40.

Adding to 111433342252144 its reverse (441252243334111), we get a palindrome (552685585586255).

The spelling of 111433342252144 in words is "one hundred eleven trillion, four hundred thirty-three billion, three hundred forty-two million, two hundred fifty-two thousand, one hundred forty-four".