2056555606011 has 4 divisors (see below), whose sum is σ = 2742074141352. Its totient is φ = 1371037070672.

The previous prime is 2056555605983. The next prime is 2056555606073. The reversal of 2056555606011 is 1106065556502.

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-2056555606011 is a prime.

It is a super-3 number, since 3×2056555606011³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2056553606011) 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, 342759267666 + ... + 342759267671.

It is an arithmetic number, because the mean of its divisors is an integer number (685518535338).

Almost surely, 2^{2056555606011} is an apocalyptic number.

2056555606011 is a deficient number, since it is larger than the sum of its proper divisors (685518535341).

2056555606011 is an equidigital number, since it uses as much as digits as its factorization.

2056555606011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685518535340.

The product of its (nonzero) digits is 270000, while the sum is 42.

The spelling of 2056555606011 in words is "two trillion, fifty-six billion, five hundred fifty-five million, six hundred six thousand, eleven".