111440052544 has 56 divisors (see below), whose sum is σ = 228849923808. Its totient is φ = 53800081920.

The previous prime is 111440052533. The next prime is 111440052593. The reversal of 111440052544 is 445250044111.

It is a super-2 number, since 2×111440052544² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130587 + ... + 489829.

Almost surely, 2^111440052544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111440052544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114424961904).

111440052544 is an abundant number, since it is smaller than the sum of its proper divisors (117409871264).

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

111440052544 is a wasteful number, since it uses less digits than its factorization.

111440052544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359423 (or 359413 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

Adding to 111440052544 its reverse (445250044111), we get a palindrome (556690096655).

The spelling of 111440052544 in words is "one hundred eleven billion, four hundred forty million, fifty-two thousand, five hundred forty-four".