6506642311485 has 32 divisors (see below), whose sum is σ = 10473394659840. Its totient is φ = 3449343240000.

The previous prime is 6506642311387. The next prime is 6506642311493. The reversal of 6506642311485 is 5841132466056.

It is not a de Polignac number, because 6506642311485 - 2²⁹ = 6506105440573 is a prime.

It is a congruent number.

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, 88746 + ... + 3608484.

It is an arithmetic number, because the mean of its divisors is an integer number (327293583120).

Almost surely, 2^{6506642311485} is an apocalyptic number.

It is an amenable number.

6506642311485 is a deficient number, since it is larger than the sum of its proper divisors (3966752348355).

6506642311485 is a wasteful number, since it uses less digits than its factorization.

6506642311485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3520489.

The product of its (nonzero) digits is 4147200, while the sum is 51.

The spelling of 6506642311485 in words is "six trillion, five hundred six billion, six hundred forty-two million, three hundred eleven thousand, four hundred eighty-five".