1115444550000 has 960 divisors, whose sum is σ = 4095643862016. Its totient is φ = 261360000000.

The previous prime is 1115444549987. The next prime is 1115444550067. The reversal of 1115444550000 is 554445111.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 1115444550000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 7387049925 + ... + 7387050075.

Almost surely, 2^{1115444550000} is an apocalyptic number.

1115444550000 is a gapful number since it is divisible by the number (10) 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 1115444550000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2047821931008).

1115444550000 is an abundant number, since it is smaller than the sum of its proper divisors (2980199312016).

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

1115444550000 is an equidigital number, since it uses as much as digits as its factorization.

1115444550000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 1115444550000 its reverse (554445111), we get a palindrome (1115998995111).

The spelling of 1115444550000 in words is "one trillion, one hundred fifteen billion, four hundred forty-four million, five hundred fifty thousand".