6531140566003 has 8 divisors (see below), whose sum is σ = 6578253163440. Its totient is φ = 6484029768480.

The previous prime is 6531140565973. The next prime is 6531140566021. The reversal of 6531140566003 is 3006650411356.

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 6531140566003 - 2¹³ = 6531140557811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6531140566303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7314801 + ... + 8158957.

It is an arithmetic number, because the mean of its divisors is an integer number (822281645430).

Almost surely, 2^{6531140566003} is an apocalyptic number.

6531140566003 is a deficient number, since it is larger than the sum of its proper divisors (47112597437).

6531140566003 is a wasteful number, since it uses less digits than its factorization.

6531140566003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899957.

The product of its (nonzero) digits is 194400, while the sum is 40.

Adding to 6531140566003 its reverse (3006650411356), we get a palindrome (9537790977359).

The spelling of 6531140566003 in words is "six trillion, five hundred thirty-one billion, one hundred forty million, five hundred sixty-six thousand, three".