5481125720 has 256 divisors, whose sum is σ = 15556147200. Its totient is φ = 1695375360.

The previous prime is 5481125707. The next prime is 5481125723. The reversal of 5481125720 is 275211845.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5481125723) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 12485261 + ... + 12485699.

It is an arithmetic number, because the mean of its divisors is an integer number (60766200).

Almost surely, 2^5481125720 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 5481125720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7778073600).

5481125720 is an abundant number, since it is smaller than the sum of its proper divisors (10075021480).

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

5481125720 is a wasteful number, since it uses less digits than its factorization.

5481125720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578 (or 574 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 5481125720 is about 74034.6251425642. The cubic root of 5481125720 is about 1763.1526782817.

It can be divided in two parts, 5481125 and 720, that added together give a palindrome (5481845).

The spelling of 5481125720 in words is "five billion, four hundred eighty-one million, one hundred twenty-five thousand, seven hundred twenty".