2253556081603 has 2 divisors, whose sum is σ = 2253556081604. Its totient is φ = 2253556081602.

The previous prime is 2253556081597. The next prime is 2253556081613. The reversal of 2253556081603 is 3061806553522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2253556081603 - 2¹⁷ = 2253555950531 is a prime.

It is not a weakly prime, because it can be changed into another prime (2253556081613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1126778040801 + 1126778040802.

It is an arithmetic number, because the mean of its divisors is an integer number (1126778040802).

Almost surely, 2^{2253556081603} is an apocalyptic number.

2253556081603 is a deficient number, since it is larger than the sum of its proper divisors (1).

2253556081603 is an equidigital number, since it uses as much as digits as its factorization.

2253556081603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 2253556081603 in words is "two trillion, two hundred fifty-three billion, five hundred fifty-six million, eighty-one thousand, six hundred three".