5555555605651 has 2 divisors, whose sum is σ = 5555555605652. Its totient is φ = 5555555605650.

The previous prime is 5555555605597. The next prime is 5555555605657. The reversal of 5555555605651 is 1565065555555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5555555605651 - 2⁹ = 5555555605139 is a prime.

It is not a weakly prime, because it can be changed into another prime (5555555605657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777777802825 + 2777777802826.

It is an arithmetic number, because the mean of its divisors is an integer number (2777777802826).

Almost surely, 2^{5555555605651} is an apocalyptic number.

5555555605651 is a deficient number, since it is larger than the sum of its proper divisors (1).

5555555605651 is an equidigital number, since it uses as much as digits as its factorization.

5555555605651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70312500, while the sum is 58.

The spelling of 5555555605651 in words is "five trillion, five hundred fifty-five billion, five hundred fifty-five million, six hundred five thousand, six hundred fifty-one".