6577811655121 has 8 divisors (see below), whose sum is σ = 7517514576384. Its totient is φ = 5638112619360.

The previous prime is 6577811655091. The next prime is 6577811655179. The reversal of 6577811655121 is 1215561187756.

6577811655121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6577811655121 - 2⁵ = 6577811655089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6577811656121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5846976 + ... + 6880606.

It is an arithmetic number, because the mean of its divisors is an integer number (939689322048).

Almost surely, 2^{6577811655121} is an apocalyptic number.

It is an amenable number.

6577811655121 is a deficient number, since it is larger than the sum of its proper divisors (939702921263).

6577811655121 is a wasteful number, since it uses less digits than its factorization.

6577811655121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942751.

The product of its digits is 3528000, while the sum is 55.

The spelling of 6577811655121 in words is "six trillion, five hundred seventy-seven billion, eight hundred eleven million, six hundred fifty-five thousand, one hundred twenty-one".