1125055888728 has 16 divisors (see below), whose sum is σ = 2812639721880. Its totient is φ = 375018629568.

The previous prime is 1125055888709. The next prime is 1125055888741. The reversal of 1125055888728 is 8278885505211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23438664325 + ... + 23438664372.

Almost surely, 2^{1125055888728} is an apocalyptic number.

It is an amenable number.

1125055888728 is an abundant number, since it is smaller than the sum of its proper divisors (1687583833152).

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

1125055888728 is a wasteful number, since it uses less digits than its factorization.

1125055888728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46877328706 (or 46877328702 counting only the distinct ones).

The product of its (nonzero) digits is 14336000, while the sum is 60.

The spelling of 1125055888728 in words is "one trillion, one hundred twenty-five billion, fifty-five million, eight hundred eighty-eight thousand, seven hundred twenty-eight".