11101106055561 has 64 divisors (see below), whose sum is σ = 15674341736448. Its totient is φ = 6981349909248.

The previous prime is 11101106055527. The next prime is 11101106055577. The reversal of 11101106055561 is 16555060110111.

11101106055561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11101106055561 - 2²² = 11101101861257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11101106055761) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 183723391 + ... + 183783803.

It is an arithmetic number, because the mean of its divisors is an integer number (244911589632).

Almost surely, 2^{11101106055561} is an apocalyptic number.

It is an amenable number.

11101106055561 is a deficient number, since it is larger than the sum of its proper divisors (4573235680887).

11101106055561 is a wasteful number, since it uses less digits than its factorization.

11101106055561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60950.

The product of its (nonzero) digits is 4500, while the sum is 33.

Adding to 11101106055561 its reverse (16555060110111), we get a palindrome (27656166165672).

The spelling of 11101106055561 in words is "eleven trillion, one hundred one billion, one hundred six million, fifty-five thousand, five hundred sixty-one".