6500005115556 has 12 divisors (see below), whose sum is σ = 15166678602992. Its totient is φ = 2166668371848.

The previous prime is 6500005115551. The next prime is 6500005115561. The reversal of 6500005115556 is 6555115000056.

It is an interprime number because it is at equal distance from previous prime (6500005115551) and next prime (6500005115561).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (6500005115551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270833546470 + ... + 270833546493.

Almost surely, 2^{6500005115556} is an apocalyptic number.

It is an amenable number.

6500005115556 is an abundant number, since it is smaller than the sum of its proper divisors (8666673487436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6500005115556 is a wasteful number, since it uses less digits than its factorization.

6500005115556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541667092970 (or 541667092968 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 6500005115556 in words is "six trillion, five hundred billion, five million, one hundred fifteen thousand, five hundred fifty-six".