6555177656125 has 16 divisors (see below), whose sum is σ = 9349556246784. Its totient is φ = 4494978963600.

The previous prime is 6555177656087. The next prime is 6555177656141. The reversal of 6555177656125 is 5216567715556.

6555177656125 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6555177656125 - 2⁷ = 6555177655997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3745814929 + ... + 3745816678.

It is an arithmetic number, because the mean of its divisors is an integer number (584347265424).

Almost surely, 2^{6555177656125} is an apocalyptic number.

It is an amenable number.

6555177656125 is a deficient number, since it is larger than the sum of its proper divisors (2794378590659).

6555177656125 is an equidigital number, since it uses as much as digits as its factorization.

6555177656125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7491631629 (or 7491631619 counting only the distinct ones).

The product of its digits is 66150000, while the sum is 61.

The spelling of 6555177656125 in words is "six trillion, five hundred fifty-five billion, one hundred seventy-seven million, six hundred fifty-six thousand, one hundred twenty-five".