6566135214615 has 12 divisors (see below), whose sum is σ = 10505832222312. Its totient is φ = 3501933488160.

The previous prime is 6566135214607. The next prime is 6566135214647. The reversal of 6566135214615 is 5164125316656.

It is not a de Polignac number, because 6566135214615 - 2³ = 6566135214607 is a prime.

It is a super-2 number, since 2×6566135214615² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9593505 + ... + 10255125.

It is an arithmetic number, because the mean of its divisors is an integer number (875486018526).

Almost surely, 2^{6566135214615} is an apocalyptic number.

6566135214615 is a deficient number, since it is larger than the sum of its proper divisors (3939697007697).

6566135214615 is an frugal number, since it uses more digits than its factorization.

6566135214615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323250 (or 661629 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 51.

The spelling of 6566135214615 in words is "six trillion, five hundred sixty-six billion, one hundred thirty-five million, two hundred fourteen thousand, six hundred fifteen".