1044103355455 has 4 divisors (see below), whose sum is σ = 1252924026552. Its totient is φ = 835282684360.

The previous prime is 1044103355453. The next prime is 1044103355489. The reversal of 1044103355455 is 5545533014401.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1044103355455 - 2¹ = 1044103355453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044103355453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104410335541 + ... + 104410335550.

It is an arithmetic number, because the mean of its divisors is an integer number (313231006638).

Almost surely, 2^{1044103355455} is an apocalyptic number.

1044103355455 is a deficient number, since it is larger than the sum of its proper divisors (208820671097).

1044103355455 is an equidigital number, since it uses as much as digits as its factorization.

1044103355455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208820671096.

The product of its (nonzero) digits is 360000, while the sum is 40.

Adding to 1044103355455 its reverse (5545533014401), we get a palindrome (6589636369856).

The spelling of 1044103355455 in words is "one trillion, forty-four billion, one hundred three million, three hundred fifty-five thousand, four hundred fifty-five".