55110561101 has 4 divisors (see below), whose sum is σ = 55182227100. Its totient is φ = 55038895104.

The previous prime is 55110561097. The next prime is 55110561127. The reversal of 55110561101 is 10116501155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10116501155 = 5 ⋅2023300231.

It can be written as a sum of positive squares in 2 ways, for example, as 24102873001 + 31007688100 = 155251^2 + 176090^2 .

It is a cyclic number.

It is not a de Polignac number, because 55110561101 - 2² = 55110561097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55110561001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35831846 + ... + 35833383.

It is an arithmetic number, because the mean of its divisors is an integer number (13795556775).

Almost surely, 2^55110561101 is an apocalyptic number.

It is an amenable number.

55110561101 is a deficient number, since it is larger than the sum of its proper divisors (71665999).

55110561101 is an equidigital number, since it uses as much as digits as its factorization.

55110561101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71665998.

The product of its (nonzero) digits is 750, while the sum is 26.

The spelling of 55110561101 in words is "fifty-five billion, one hundred ten million, five hundred sixty-one thousand, one hundred one".