5105005561 has 8 divisors (see below), whose sum is σ = 5115096000. Its totient is φ = 5094927120.

The previous prime is 5105005541. The next prime is 5105005567. The reversal of 5105005561 is 1655005015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5105005561 - 2⁹ = 5105005049 is a prime.

It is a super-2 number, since 2×5105005561² = 52122163555681849442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5105005567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1423791 + ... + 1427371.

It is an arithmetic number, because the mean of its divisors is an integer number (639387000).

Almost surely, 2^5105005561 is an apocalyptic number.

It is an amenable number.

5105005561 is a deficient number, since it is larger than the sum of its proper divisors (10090439).

5105005561 is a wasteful number, since it uses less digits than its factorization.

5105005561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5999.

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 5105005561 is about 71449.3216272905. The cubic root of 5105005561 is about 1721.8635787623.

The spelling of 5105005561 in words is "five billion, one hundred five million, five thousand, five hundred sixty-one".