1115544331152 has 120 divisors (see below), whose sum is σ = 3157954764120. Its totient is φ = 367565045760.

The previous prime is 1115544331133. The next prime is 1115544331163. The reversal of 1115544331152 is 2511334455111.

1115544331152 is a `hidden beast` number, since 1 + 1 + 1 + 554 + 43 + 3 + 11 + 52 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 73601519616 + 1041942811536 = 271296^2 + 1020756^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54034752 + ... + 54055392.

It is an arithmetic number, because the mean of its divisors is an integer number (26316289701).

Almost surely, 2^{1115544331152} is an apocalyptic number.

1115544331152 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 1115544331152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1578977382060).

1115544331152 is an abundant number, since it is smaller than the sum of its proper divisors (2042410432968).

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

1115544331152 is a wasteful number, since it uses less digits than its factorization.

1115544331152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24961 (or 24952 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

Adding to 1115544331152 its reverse (2511334455111), we get a palindrome (3626878786263).

The spelling of 1115544331152 in words is "one trillion, one hundred fifteen billion, five hundred forty-four million, three hundred thirty-one thousand, one hundred fifty-two".