11116055561611 has 16 divisors (see below), whose sum is σ = 14925053622528. Its totient is φ = 7995564439200.

The previous prime is 11116055561557. The next prime is 11116055561671. The reversal of 11116055561611 is 11616555061111.

It is a happy number.

It is not a de Polignac number, because 11116055561611 - 2¹¹ = 11116055559563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11116055561671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5552474305 + ... + 5552476306.

It is an arithmetic number, because the mean of its divisors is an integer number (932815851408).

Almost surely, 2^{11116055561611} is an apocalyptic number.

11116055561611 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11116055561611 is a deficient number, since it is larger than the sum of its proper divisors (3808998060917).

11116055561611 is a wasteful number, since it uses less digits than its factorization.

11116055561611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11104950642.

The product of its (nonzero) digits is 27000, while the sum is 40.

The spelling of 11116055561611 in words is "eleven trillion, one hundred sixteen billion, fifty-five million, five hundred sixty-one thousand, six hundred eleven".