5481111552 has 224 divisors, whose sum is σ = 16893625344. Its totient is φ = 1548288000.

The previous prime is 5481111551. The next prime is 5481111557. The reversal of 5481111552 is 2551111845.

It is a tau number, because it is divible by the number of its divisors (224).

It is not an unprimeable number, because it can be changed into a prime (5481111551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25976727 + ... + 25976937.

Almost surely, 2^5481111552 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 5481111552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8446812672).

5481111552 is an abundant number, since it is smaller than the sum of its proper divisors (11412513792).

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

5481111552 is a wasteful number, since it uses less digits than its factorization.

5481111552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398 (or 374 counting only the distinct ones).

The product of its digits is 8000, while the sum is 33.

The square root of 5481111552 is about 74034.5294575443. The cubic root of 5481111552 is about 1763.1511591066.

The spelling of 5481111552 in words is "five billion, four hundred eighty-one million, one hundred eleven thousand, five hundred fifty-two".