1125576990720 has 2016 divisors, whose sum is σ = 5051180347200. Its totient is φ = 226718908416.

The previous prime is 1125576990719. The next prime is 1125576990773. The reversal of 1125576990720 is 270996755211.

It is a happy number.

1125576990720 is a `hidden beast` number, since 1 + 1 + 2 + 557 + 69 + 9 + 0 + 7 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (2016).

It is a super-2 number, since 2×1125576990720² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 12646932436 + ... + 12646932524.

Almost surely, 2^{1125576990720} is an apocalyptic number.

1125576990720 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 1125576990720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2525590173600).

1125576990720 is an abundant number, since it is smaller than the sum of its proper divisors (3925603356480).

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

1125576990720 is a wasteful number, since it uses less digits than its factorization.

1125576990720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 2381400, while the sum is 54.

The spelling of 1125576990720 in words is "one trillion, one hundred twenty-five billion, five hundred seventy-six million, nine hundred ninety thousand, seven hundred twenty".