6531456541356 has 48 divisors (see below), whose sum is σ = 16937175948000. Its totient is φ = 2176667453376.

The previous prime is 6531456541339. The next prime is 6531456541369.

6531456541356 is a `hidden beast` number, since 6 + 5 + 3 + 1 + 4 + 565 + 41 + 35 + 6 = 666.

6531456541356 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 6244831 + ... + 7215318.

It is an arithmetic number, because the mean of its divisors is an integer number (352857832250).

Almost surely, 2^{6531456541356} is an apocalyptic number.

It is an amenable number.

6531456541356 is an abundant number, since it is smaller than the sum of its proper divisors (10405719406644).

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

6531456541356 is a wasteful number, since it uses less digits than its factorization.

6531456541356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13464655 (or 13464647 counting only the distinct ones).

The product of its digits is 19440000, while the sum is 54.

The spelling of 6531456541356 in words is "six trillion, five hundred thirty-one billion, four hundred fifty-six million, five hundred forty-one thousand, three hundred fifty-six".