6561315179133 has 32 divisors (see below), whose sum is σ = 10281898166400. Its totient is φ = 3669225181440.

The previous prime is 6561315179117. The next prime is 6561315179147. The reversal of 6561315179133 is 3319715131656.

It is not a de Polignac number, because 6561315179133 - 2⁴ = 6561315179117 is a prime.

It is a super-2 number, since 2×6561315179133² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6561315179183) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1906566 + ... + 4093607.

It is an arithmetic number, because the mean of its divisors is an integer number (321309317700).

Almost surely, 2^{6561315179133} is an apocalyptic number.

It is an amenable number.

6561315179133 is a deficient number, since it is larger than the sum of its proper divisors (3720582987267).

6561315179133 is a wasteful number, since it uses less digits than its factorization.

6561315179133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6002749.

The product of its digits is 1530900, while the sum is 51.

The spelling of 6561315179133 in words is "six trillion, five hundred sixty-one billion, three hundred fifteen million, one hundred seventy-nine thousand, one hundred thirty-three".