109404611055 has 24 divisors (see below), whose sum is σ = 196173787680. Its totient is φ = 56337086400.

The previous prime is 109404611047. The next prime is 109404611059. The reversal of 109404611055 is 550116404901.

109404611055 is a `hidden beast` number, since 1 + 0 + 94 + 0 + 461 + 105 + 5 = 666.

It is not a de Polignac number, because 109404611055 - 2³ = 109404611047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109404611059) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41916171 + ... + 41918780.

It is an arithmetic number, because the mean of its divisors is an integer number (8173907820).

Almost surely, 2^109404611055 is an apocalyptic number.

109404611055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

109404611055 is a deficient number, since it is larger than the sum of its proper divisors (86769176625).

109404611055 is a wasteful number, since it uses less digits than its factorization.

109404611055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83834991 (or 83834988 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 109404611055 in words is "one hundred nine billion, four hundred four million, six hundred eleven thousand, fifty-five".