6520285907485 has 8 divisors (see below), whose sum is σ = 8942106387456. Its totient is φ = 4471053193680.

The previous prime is 6520285907461. The next prime is 6520285907491. The reversal of 6520285907485 is 5847095820256.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6520285907485 - 2²¹ = 6520283810333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93146941501 + ... + 93146941570.

It is an arithmetic number, because the mean of its divisors is an integer number (1117763298432).

Almost surely, 2^{6520285907485} is an apocalyptic number.

It is an amenable number.

6520285907485 is a deficient number, since it is larger than the sum of its proper divisors (2421820479971).

6520285907485 is a wasteful number, since it uses less digits than its factorization.

6520285907485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186293883083.

The product of its (nonzero) digits is 48384000, while the sum is 61.

The spelling of 6520285907485 in words is "six trillion, five hundred twenty billion, two hundred eighty-five million, nine hundred seven thousand, four hundred eighty-five".