1121133244320 has 144 divisors (see below), whose sum is σ = 3898053635112. Its totient is φ = 293327923200.

The previous prime is 1121133244313. The next prime is 1121133244331. The reversal of 1121133244320 is 234423311211.

1121133244320 is a `hidden beast` number, since 1 + 1 + 2 + 1 + 1 + 332 + 4 + 4 + 320 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 849412916496 + 271720327824 = 921636^2 + 521268^2 .

It is a tau number, because it is divible by the number of its divisors (144).

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 23 ways as a sum of consecutive naturals, for example, 7268631 + ... + 7421270.

Almost surely, 2^{1121133244320} is an apocalyptic number.

1121133244320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121133244320 is an abundant number, since it is smaller than the sum of its proper divisors (2776920390792).

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

1121133244320 is a wasteful number, since it uses less digits than its factorization.

1121133244320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14689975 (or 14689964 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1121133244320 its reverse (234423311211), we get a palindrome (1355556555531).

The spelling of 1121133244320 in words is "one trillion, one hundred twenty-one billion, one hundred thirty-three million, two hundred forty-four thousand, three hundred twenty".