6655655515100 has 18 divisors (see below), whose sum is σ = 14442772467984. Its totient is φ = 2662262206000.

The previous prime is 6655655515079. The next prime is 6655655515127. The reversal of 6655655515100 is 15155565566.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33278277476 + ... + 33278277675.

Almost surely, 2^{6655655515100} is an apocalyptic number.

It is an amenable number.

6655655515100 is an abundant number, since it is smaller than the sum of its proper divisors (7787116952884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6655655515100 is a wasteful number, since it uses less digits than its factorization.

6655655515100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66556555165 (or 66556555158 counting only the distinct ones).

The product of its (nonzero) digits is 3375000, while the sum is 50.

The spelling of 6655655515100 in words is "six trillion, six hundred fifty-five billion, six hundred fifty-five million, five hundred fifteen thousand, one hundred".