6665010056555 has 16 divisors (see below), whose sum is σ = 8395944883200. Its totient is φ = 5072550019680.

The previous prime is 6665010056501. The next prime is 6665010056557. The reversal of 6665010056555 is 5556500105666.

It is not a de Polignac number, because 6665010056555 - 2⁶ = 6665010056491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6665010056557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364398185 + ... + 364416474.

It is an arithmetic number, because the mean of its divisors is an integer number (524746555200).

Almost surely, 2^{6665010056555} is an apocalyptic number.

6665010056555 is a deficient number, since it is larger than the sum of its proper divisors (1730934826645).

6665010056555 is a wasteful number, since it uses less digits than its factorization.

6665010056555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728814754.

The product of its (nonzero) digits is 4050000, while the sum is 50.

The spelling of 6665010056555 in words is "six trillion, six hundred sixty-five billion, ten million, fifty-six thousand, five hundred fifty-five".