6555605650125 has 64 divisors (see below), whose sum is σ = 12637668585984. Its totient is φ = 2955795494400.

The previous prime is 6555605650123. The next prime is 6555605650159. The reversal of 6555605650125 is 5210565065556.

It is a happy number.

It is not a de Polignac number, because 6555605650125 - 2¹ = 6555605650123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6555605650123) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16913674 + ... + 17296923.

It is an arithmetic number, because the mean of its divisors is an integer number (197463571656).

Almost surely, 2^{6555605650125} is an apocalyptic number.

It is an amenable number.

6555605650125 is a deficient number, since it is larger than the sum of its proper divisors (6082062935859).

6555605650125 is a wasteful number, since it uses less digits than its factorization.

6555605650125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34210695 (or 34210685 counting only the distinct ones).

The product of its (nonzero) digits is 6750000, while the sum is 51.

The spelling of 6555605650125 in words is "six trillion, five hundred fifty-five billion, six hundred five million, six hundred fifty thousand, one hundred twenty-five".