111520141152 has 144 divisors (see below), whose sum is σ = 343549935792. Its totient is φ = 31580774400.

The previous prime is 111520141129. The next prime is 111520141157. The reversal of 111520141152 is 251141025111.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111520141157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 426652 + ... + 636452.

It is an arithmetic number, because the mean of its divisors is an integer number (2385763443).

Almost surely, 2^111520141152 is an apocalyptic number.

111520141152 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 111520141152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171774967896).

111520141152 is an abundant number, since it is smaller than the sum of its proper divisors (232029794640).

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

111520141152 is a wasteful number, since it uses less digits than its factorization.

111520141152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209941 (or 209926 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 24.

Adding to 111520141152 its reverse (251141025111), we get a palindrome (362661166263).

The spelling of 111520141152 in words is "one hundred eleven billion, five hundred twenty million, one hundred forty-one thousand, one hundred fifty-two".