55011101100109 has 32 divisors (see below), whose sum is σ = 68668163536896. Its totient is φ = 42813991869120.

The previous prime is 55011101100041. The next prime is 55011101100139. The reversal of 55011101100109 is 90100110111055.

It is a cyclic number.

It is not a de Polignac number, because 55011101100109 - 2¹⁵ = 55011101067341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55011101100139) 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 31 ways as a sum of consecutive naturals, for example, 1125338182 + ... + 1125387064.

It is an arithmetic number, because the mean of its divisors is an integer number (2145880110528).

Almost surely, 2^{55011101100109} is an apocalyptic number.

It is an amenable number.

55011101100109 is a deficient number, since it is larger than the sum of its proper divisors (13657062436787).

55011101100109 is a wasteful number, since it uses less digits than its factorization.

55011101100109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66265.

The product of its (nonzero) digits is 225, while the sum is 25.

The spelling of 55011101100109 in words is "fifty-five trillion, eleven billion, one hundred one million, one hundred thousand, one hundred nine".