11055727705561 has 16 divisors (see below), whose sum is σ = 13799848233600. Its totient is φ = 8604800369280.

The previous prime is 11055727705553. The next prime is 11055727705579. The reversal of 11055727705561 is 16550772755011.

It is a cyclic number.

It is not a de Polignac number, because 11055727705561 - 2³ = 11055727705553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11055727705499 and 11055727705508.

It is not an unprimeable number, because it can be changed into a prime (11055727705531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83703486 + ... + 83835463.

It is an arithmetic number, because the mean of its divisors is an integer number (862490514600).

Almost surely, 2^{11055727705561} is an apocalyptic number.

11055727705561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11055727705561 is a deficient number, since it is larger than the sum of its proper divisors (2744120528039).

11055727705561 is a wasteful number, since it uses less digits than its factorization.

11055727705561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167539824.

The product of its (nonzero) digits is 2572500, while the sum is 52.

The spelling of 11055727705561 in words is "eleven trillion, fifty-five billion, seven hundred twenty-seven million, seven hundred five thousand, five hundred sixty-one".