5525138705408 has 88 divisors (see below), whose sum is σ = 12634184090112. Its totient is φ = 2365766406144.

The previous prime is 5525138705381. The next prime is 5525138705447. The reversal of 5525138705408 is 8045078315255.

It is a self number, because there is not a number n which added to its sum of digits gives 5525138705408.

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 7 ways as a sum of consecutive naturals, for example, 7556891 + ... + 8255717.

Almost surely, 2^{5525138705408} 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 5525138705408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6317092045056).

5525138705408 is an abundant number, since it is smaller than the sum of its proper divisors (7109045384704).

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

5525138705408 is a wasteful number, since it uses less digits than its factorization.

5525138705408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699957 (or 699939 counting only the distinct ones).

The product of its (nonzero) digits is 6720000, while the sum is 53.

The spelling of 5525138705408 in words is "five trillion, five hundred twenty-five billion, one hundred thirty-eight million, seven hundred five thousand, four hundred eight".