2556293565011 has 4 divisors (see below), whose sum is σ = 2578915632072. Its totient is φ = 2533671497952.

The previous prime is 2556293564959. The next prime is 2556293565071. The reversal of 2556293565011 is 1105653926552.

2556293565011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2556293565011 - 2⁶ = 2556293564947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2556293565071) 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, 11311033361 + ... + 11311033586.

It is an arithmetic number, because the mean of its divisors is an integer number (644728908018).

Almost surely, 2^{2556293565011} is an apocalyptic number.

2556293565011 is a deficient number, since it is larger than the sum of its proper divisors (22622067061).

2556293565011 is a wasteful number, since it uses less digits than its factorization.

2556293565011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22622067060.

The product of its (nonzero) digits is 2430000, while the sum is 50.

The spelling of 2556293565011 in words is "two trillion, five hundred fifty-six billion, two hundred ninety-three million, five hundred sixty-five thousand, eleven".