5105505551 has 2 divisors, whose sum is σ = 5105505552. Its totient is φ = 5105505550.

The previous prime is 5105505539. The next prime is 5105505557. The reversal of 5105505551 is 1555055015.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5105505551 - 2³⁰ = 4031763727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5105505557) 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 as a sum of consecutive naturals, namely, 2552752775 + 2552752776.

It is an arithmetic number, because the mean of its divisors is an integer number (2552752776).

Almost surely, 2^5105505551 is an apocalyptic number.

5105505551 is a deficient number, since it is larger than the sum of its proper divisors (1).

5105505551 is an equidigital number, since it uses as much as digits as its factorization.

5105505551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15625, while the sum is 32.

The square root of 5105505551 is about 71452.8204551787. The cubic root of 5105505551 is about 1721.9197906805.

The spelling of 5105505551 in words is "five billion, one hundred five million, five hundred five thousand, five hundred fifty-one".