5105550061 has 2 divisors, whose sum is σ = 5105550062. Its totient is φ = 5105550060.

The previous prime is 5105550031. The next prime is 5105550071. The reversal of 5105550061 is 1600555015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5105102500 + 447561 = 71450^2 + 669^2 .

It is a cyclic number.

It is not a de Polignac number, because 5105550061 - 2⁵ = 5105550029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5105550031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2552775030 + 2552775031.

It is an arithmetic number, because the mean of its divisors is an integer number (2552775031).

Almost surely, 2^5105550061 is an apocalyptic number.

It is an amenable number.

5105550061 is a deficient number, since it is larger than the sum of its proper divisors (1).

5105550061 is an equidigital number, since it uses as much as digits as its factorization.

5105550061 is an odious number, because the sum of its binary digits is odd.

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

The square root of 5105550061 is about 71453.1319187620. The cubic root of 5105550061 is about 1721.9247945877.

The spelling of 5105550061 in words is "five billion, one hundred five million, five hundred fifty thousand, sixty-one".