11056061060561 has 8 divisors (see below), whose sum is σ = 12064479282048. Its totient is φ = 10048196466000.

The previous prime is 11056061060549. The next prime is 11056061060567. The reversal of 11056061060561 is 16506016065011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-11056061060561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11056061060567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138364970 + ... + 138444851.

It is an arithmetic number, because the mean of its divisors is an integer number (1508059910256).

Almost surely, 2^{11056061060561} is an apocalyptic number.

11056061060561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11056061060561 is a deficient number, since it is larger than the sum of its proper divisors (1008418221487).

11056061060561 is a wasteful number, since it uses less digits than its factorization.

11056061060561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276813463.

The product of its (nonzero) digits is 32400, while the sum is 38.

The spelling of 11056061060561 in words is "eleven trillion, fifty-six billion, sixty-one million, sixty thousand, five hundred sixty-one".