6556102256243 has 4 divisors (see below), whose sum is σ = 6581030401968. Its totient is φ = 6531174110520.

The previous prime is 6556102256237. The next prime is 6556102256257. The reversal of 6556102256243 is 3426522016556.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6556102256243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6556102456243) 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, 12464072468 + ... + 12464072993.

It is an arithmetic number, because the mean of its divisors is an integer number (1645257600492).

Almost surely, 2^{6556102256243} is an apocalyptic number.

6556102256243 is a deficient number, since it is larger than the sum of its proper divisors (24928145725).

6556102256243 is a wasteful number, since it uses less digits than its factorization.

6556102256243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24928145724.

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 6556102256243 in words is "six trillion, five hundred fifty-six billion, one hundred two million, two hundred fifty-six thousand, two hundred forty-three".