6556116155211 has 48 divisors (see below), whose sum is σ = 11474569289664. Its totient is φ = 3521320169472.

The previous prime is 6556116155119. The next prime is 6556116155221. The reversal of 6556116155211 is 1125516116556.

6556116155211 is a `hidden beast` number, since 6 + 5 + 5 + 6 + 1 + 1 + 615 + 5 + 21 + 1 = 666.

It is not a de Polignac number, because 6556116155211 - 2³¹ = 6553968671563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6556116155221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3232510 + ... + 4854003.

It is an arithmetic number, because the mean of its divisors is an integer number (239053526868).

Almost surely, 2^{6556116155211} is an apocalyptic number.

6556116155211 is a deficient number, since it is larger than the sum of its proper divisors (4918453134453).

6556116155211 is a wasteful number, since it uses less digits than its factorization.

6556116155211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8087300 (or 8087297 counting only the distinct ones).

The product of its digits is 270000, while the sum is 45.

The spelling of 6556116155211 in words is "six trillion, five hundred fifty-six billion, one hundred sixteen million, one hundred fifty-five thousand, two hundred eleven".