5555555555507 has 2 divisors, whose sum is σ = 5555555555508. Its totient is φ = 5555555555506.

The previous prime is 5555555555441. The next prime is 5555555555509. The reversal of 5555555555507 is 7055555555555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5555555555507 - 2²² = 5555551361203 is a prime.

Together with 5555555555509, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5555555555507.

It is not a weakly prime, because it can be changed into another prime (5555555555509) 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, 2777777777753 + 2777777777754.

It is an arithmetic number, because the mean of its divisors is an integer number (2777777777754).

Almost surely, 2^{5555555555507} is an apocalyptic number.

5555555555507 is a deficient number, since it is larger than the sum of its proper divisors (1).

5555555555507 is an equidigital number, since it uses as much as digits as its factorization.

5555555555507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 341796875, while the sum is 62.

The spelling of 5555555555507 in words is "five trillion, five hundred fifty-five billion, five hundred fifty-five million, five hundred fifty-five thousand, five hundred seven".