111272727552 has 176 divisors, whose sum is σ = 339308623872. Its totient is φ = 31758704640.

The previous prime is 111272727551. The next prime is 111272727569. The reversal of 111272727552 is 255727272111.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111272727551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26297277 + ... + 26301507.

Almost surely, 2^111272727552 is an apocalyptic number.

111272727552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111272727552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169654311936).

111272727552 is an abundant number, since it is smaller than the sum of its proper divisors (228035896320).

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

111272727552 is a wasteful number, since it uses less digits than its factorization.

111272727552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5484 (or 5466 counting only the distinct ones).

The product of its digits is 137200, while the sum is 42.

Adding to 111272727552 its reverse (255727272111), we get a palindrome (366999999663).

The spelling of 111272727552 in words is "one hundred eleven billion, two hundred seventy-two million, seven hundred twenty-seven thousand, five hundred fifty-two".