111320545248 has 288 divisors, whose sum is σ = 352697829120. Its totient is φ = 33022494720.

The previous prime is 111320545201. The next prime is 111320545249. The reversal of 111320545248 is 842545023111.

It is a tau number, because it is divible by the number of its divisors (288).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111320545249) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32143965 + ... + 32147427.

It is an arithmetic number, because the mean of its divisors is an integer number (1224645240).

Almost surely, 2^111320545248 is an apocalyptic number.

111320545248 is a gapful number since it is divisible by the number (18) 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 111320545248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176348914560).

111320545248 is an abundant number, since it is smaller than the sum of its proper divisors (241377283872).

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

111320545248 is a wasteful number, since it uses less digits than its factorization.

111320545248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3702 (or 3691 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

Adding to 111320545248 its reverse (842545023111), we get a palindrome (953865568359).

The spelling of 111320545248 in words is "one hundred eleven billion, three hundred twenty million, five hundred forty-five thousand, two hundred forty-eight".