1125644718224 has 40 divisors (see below), whose sum is σ = 2349151754040. Its totient is φ = 519428625408.

The previous prime is 1125644718199. The next prime is 1125644718227. The reversal of 1125644718224 is 4228174465211.

It can be written as a sum of positive squares in 4 ways, for example, as 168730349824 + 956914368400 = 410768^2 + 978220^2 .

It is not an unprimeable number, because it can be changed into a prime (1125644718227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 572612 + ... + 1605980.

It is an arithmetic number, because the mean of its divisors is an integer number (58728793851).

Almost surely, 2^{1125644718224} is an apocalyptic number.

It is an amenable number.

1125644718224 is an abundant number, since it is smaller than the sum of its proper divisors (1223507035816).

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

1125644718224 is a wasteful number, since it uses less digits than its factorization.

1125644718224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038627 (or 1038621 counting only the distinct ones).

The product of its digits is 860160, while the sum is 47.

The spelling of 1125644718224 in words is "one trillion, one hundred twenty-five billion, six hundred forty-four million, seven hundred eighteen thousand, two hundred twenty-four".