6555250207215 has 24 divisors (see below), whose sum is σ = 11366631330288. Its totient is φ = 3494841863040.

The previous prime is 6555250207153. The next prime is 6555250207237. The reversal of 6555250207215 is 5127020525556.

6555250207215 is a `hidden beast` number, since 6 + 5 + 552 + 5 + 0 + 20 + 72 + 1 + 5 = 666.

It is not a de Polignac number, because 6555250207215 - 2⁶ = 6555250207151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26784766 + ... + 27028395.

It is an arithmetic number, because the mean of its divisors is an integer number (473609638762).

Almost surely, 2^{6555250207215} is an apocalyptic number.

6555250207215 is a deficient number, since it is larger than the sum of its proper divisors (4811381123073).

6555250207215 is a wasteful number, since it uses less digits than its factorization.

6555250207215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53815879 (or 53815876 counting only the distinct ones).

The product of its (nonzero) digits is 1050000, while the sum is 45.

The spelling of 6555250207215 in words is "six trillion, five hundred fifty-five billion, two hundred fifty million, two hundred seven thousand, two hundred fifteen".