6555515655605 has 32 divisors (see below), whose sum is σ = 9289266782208. Its totient is φ = 4346064072000.

The previous prime is 6555515655589. The next prime is 6555515655617. The reversal of 6555515655605 is 5065565155556.

It is not a de Polignac number, because 6555515655605 - 2⁴ = 6555515655589 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1734047 + ... + 4014716.

It is an arithmetic number, because the mean of its divisors is an integer number (290289586944).

Almost surely, 2^{6555515655605} is an apocalyptic number.

It is an amenable number.

6555515655605 is a deficient number, since it is larger than the sum of its proper divisors (2733751126603).

6555515655605 is a wasteful number, since it uses less digits than its factorization.

6555515655605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5749857.

The product of its (nonzero) digits is 84375000, while the sum is 59.

The spelling of 6555515655605 in words is "six trillion, five hundred fifty-five billion, five hundred fifteen million, six hundred fifty-five thousand, six hundred five".