5611000505560 has 128 divisors (see below), whose sum is σ = 13521572352000. Its totient is φ = 2090578913280.

The previous prime is 5611000505543. The next prime is 5611000505563. The reversal of 5611000505560 is 655050001165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5611000505563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8278720 + ... + 8930800.

It is an arithmetic number, because the mean of its divisors is an integer number (105637284000).

Almost surely, 2^{5611000505560} 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 5611000505560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6760786176000).

5611000505560 is an abundant number, since it is smaller than the sum of its proper divisors (7910571846440).

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

5611000505560 is a wasteful number, since it uses less digits than its factorization.

5611000505560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652361 (or 652357 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 5611000505560 in words is "five trillion, six hundred eleven billion, five hundred five thousand, five hundred sixty".