1100004553 has 4 divisors (see below), whose sum is σ = 1100149780. Its totient is φ = 1099859328.

The previous prime is 1100004469. The next prime is 1100004599. The reversal of 1100004553 is 3554000011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3554000011 = 6037 ⋅588703.

It can be written as a sum of positive squares in 2 ways, for example, as 576144009 + 523860544 = 24003^2 + 22888^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100004553 - 2⁹ = 1100004041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1100004553.

It is not an unprimeable number, because it can be changed into a prime (1100034553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60588 + ... + 76621.

It is an arithmetic number, because the mean of its divisors is an integer number (275037445).

Almost surely, 2^1100004553 is an apocalyptic number.

It is an amenable number.

1100004553 is a deficient number, since it is larger than the sum of its proper divisors (145227).

1100004553 is an equidigital number, since it uses as much as digits as its factorization.

1100004553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145226.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 1100004553 is about 33166.3165425406. The cubic root of 1100004553 is about 1032.2815396881.

Adding to 1100004553 its reverse (3554000011), we get a palindrome (4654004564).

The spelling of 1100004553 in words is "one billion, one hundred million, four thousand, five hundred fifty-three".