111553624044 has 36 divisors (see below), whose sum is σ = 289603931344. Its totient is φ = 36179553312.

The previous prime is 111553624043. The next prime is 111553624067. The reversal of 111553624044 is 440426355111.

111553624044 is a `hidden beast` number, since 1 + 1 + 1 + 553 + 62 + 4 + 0 + 44 = 666.

111553624044 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×111553624044² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (111553624043) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 41873152 + ... + 41875815.

Almost surely, 2^111553624044 is an apocalyptic number.

It is an amenable number.

111553624044 is an abundant number, since it is smaller than the sum of its proper divisors (178050307300).

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

111553624044 is a wasteful number, since it uses less digits than its factorization.

111553624044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83749014 (or 83749009 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 111553624044 its reverse (440426355111), we get a palindrome (551979979155).

The spelling of 111553624044 in words is "one hundred eleven billion, five hundred fifty-three million, six hundred twenty-four thousand, forty-four".