5050050005561 has 16 divisors (see below), whose sum is σ = 5838870883968. Its totient is φ = 4316707257600.

The previous prime is 5050050005537. The next prime is 5050050005563. The reversal of 5050050005561 is 1655000500505.

It is a cyclic number.

It is not a de Polignac number, because 5050050005561 - 2¹⁰ = 5050050004537 is a prime.

It is a super-2 number, since 2×5050050005561² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5050050005563) 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, 12904010 + ... + 13289603.

It is an arithmetic number, because the mean of its divisors is an integer number (364929430248).

Almost surely, 2^{5050050005561} is an apocalyptic number.

It is an amenable number.

5050050005561 is a deficient number, since it is larger than the sum of its proper divisors (788820878407).

5050050005561 is a wasteful number, since it uses less digits than its factorization.

5050050005561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26194672.

The product of its (nonzero) digits is 18750, while the sum is 32.

The spelling of 5050050005561 in words is "five trillion, fifty billion, fifty million, five thousand, five hundred sixty-one".