5531126144 has 32 divisors (see below), whose sum is σ = 11374501440. Its totient is φ = 2676349440.

The previous prime is 5531126131. The next prime is 5531126173. The reversal of 5531126144 is 4416211355.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 5531126144.

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 3 ways as a sum of consecutive naturals, for example, 692999 + ... + 700934.

It is an arithmetic number, because the mean of its divisors is an integer number (355453170).

Almost surely, 2^5531126144 is an apocalyptic number.

It is an amenable number.

5531126144 is an abundant number, since it is smaller than the sum of its proper divisors (5843375296).

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

5531126144 is a wasteful number, since it uses less digits than its factorization.

5531126144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393978 (or 1393966 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 5531126144 is about 74371.5412237773. The cubic root of 5531126144 is about 1768.4977884851.

Adding to 5531126144 its reverse (4416211355), we get a palindrome (9947337499).

The spelling of 5531126144 in words is "five billion, five hundred thirty-one million, one hundred twenty-six thousand, one hundred forty-four".