2203311205553 has 4 divisors (see below), whose sum is σ = 2203315126128. Its totient is φ = 2203307284980.

The previous prime is 2203311205549. The next prime is 2203311205573. The reversal of 2203311205553 is 3555021133022.

2203311205553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2203311205553 - 2² = 2203311205549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2203311205573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 940451 + ... + 2300232.

It is an arithmetic number, because the mean of its divisors is an integer number (550828781532).

Almost surely, 2^{2203311205553} is an apocalyptic number.

It is an amenable number.

2203311205553 is a deficient number, since it is larger than the sum of its proper divisors (3920575).

2203311205553 is an equidigital number, since it uses as much as digits as its factorization.

2203311205553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3920574.

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 2203311205553 its reverse (3555021133022), we get a palindrome (5758332338575).

The spelling of 2203311205553 in words is "two trillion, two hundred three billion, three hundred eleven million, two hundred five thousand, five hundred fifty-three".