105404501055 has 16 divisors (see below), whose sum is σ = 192739659264. Its totient is φ = 48184914720.

The previous prime is 105404501051. The next prime is 105404501087. The reversal of 105404501055 is 550105404501.

It is not a de Polignac number, because 105404501055 - 2² = 105404501051 is a prime.

It is a super-2 number, since 2×105404501055² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105404501051) 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, 501926091 + ... + 501926300.

It is an arithmetic number, because the mean of its divisors is an integer number (12046228704).

Almost surely, 2^105404501055 is an apocalyptic number.

105404501055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

105404501055 is a deficient number, since it is larger than the sum of its proper divisors (87335158209).

105404501055 is a wasteful number, since it uses less digits than its factorization.

105404501055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003852406.

The product of its (nonzero) digits is 10000, while the sum is 30.

Adding to 105404501055 its reverse (550105404501), we get a palindrome (655509905556).

The spelling of 105404501055 in words is "one hundred five billion, four hundred four million, five hundred one thousand, fifty-five".