2203551522553 has 2 divisors, whose sum is σ = 2203551522554. Its totient is φ = 2203551522552.

The previous prime is 2203551522539. The next prime is 2203551522587. The reversal of 2203551522553 is 3552251553022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1871651094889 + 331900427664 = 1368083^2 + 576108^2 .

It is a cyclic number.

It is not a de Polignac number, because 2203551522553 - 2²⁹ = 2203014651641 is a prime.

It is not a weakly prime, because it can be changed into another prime (2203551522503) 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 as a sum of consecutive naturals, namely, 1101775761276 + 1101775761277.

It is an arithmetic number, because the mean of its divisors is an integer number (1101775761277).

Almost surely, 2^{2203551522553} is an apocalyptic number.

It is an amenable number.

2203551522553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2203551522553 is an equidigital number, since it uses as much as digits as its factorization.

2203551522553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450000, while the sum is 40.

The spelling of 2203551522553 in words is "two trillion, two hundred three billion, five hundred fifty-one million, five hundred twenty-two thousand, five hundred fifty-three".