1125840484824 has 192 divisors, whose sum is σ = 3271468037760. Its totient is φ = 320135208960.

The previous prime is 1125840484819. The next prime is 1125840484891. The reversal of 1125840484824 is 4284840485211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25689859 + ... + 25733645.

It is an arithmetic number, because the mean of its divisors is an integer number (17038896030).

Almost surely, 2^{1125840484824} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1125840484824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1635734018880).

1125840484824 is an abundant number, since it is smaller than the sum of its proper divisors (2145627552936).

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

1125840484824 is a wasteful number, since it uses less digits than its factorization.

1125840484824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44178 (or 44157 counting only the distinct ones).

The product of its (nonzero) digits is 2621440, while the sum is 51.

The spelling of 1125840484824 in words is "one trillion, one hundred twenty-five billion, eight hundred forty million, four hundred eighty-four thousand, eight hundred twenty-four".