6504042534555 has 32 divisors (see below), whose sum is σ = 10475816682240. Its totient is φ = 3445749901440.

The previous prime is 6504042534523. The next prime is 6504042534589. The reversal of 6504042534555 is 5554352404056.

It is not a de Polignac number, because 6504042534555 - 2⁵ = 6504042534523 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1040836 + ... + 3753854.

It is an arithmetic number, because the mean of its divisors is an integer number (327369271320).

Almost surely, 2^{6504042534555} is an apocalyptic number.

6504042534555 is a deficient number, since it is larger than the sum of its proper divisors (3971774147685).

6504042534555 is a wasteful number, since it uses less digits than its factorization.

6504042534555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714091.

The product of its (nonzero) digits is 7200000, while the sum is 48.

The spelling of 6504042534555 in words is "six trillion, five hundred four billion, forty-two million, five hundred thirty-four thousand, five hundred fifty-five".