5105510550061 has 8 divisors (see below), whose sum is σ = 5201907528600. Its totient is φ = 5009116037952.

The previous prime is 5105510550047. The next prime is 5105510550143. The reversal of 5105510550061 is 1600550155015.

It can be written as a sum of positive squares in 4 ways, for example, as 1944404347561 + 3161106202500 = 1394419^2 + 1777950^2 .

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 5105510550061 - 2¹¹ = 5105510548013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5105510549999 and 5105510550026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5105510556061) by changing a digit.

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, 3867415 + ... + 5016763.

It is an arithmetic number, because the mean of its divisors is an integer number (650238441075).

Almost surely, 2^{5105510550061} is an apocalyptic number.

It is an amenable number.

5105510550061 is a deficient number, since it is larger than the sum of its proper divisors (96396978539).

5105510550061 is a wasteful number, since it uses less digits than its factorization.

5105510550061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233215.

The product of its (nonzero) digits is 18750, while the sum is 34.

The spelling of 5105510550061 in words is "five trillion, one hundred five billion, five hundred ten million, five hundred fifty thousand, sixty-one".