2112554443603 has 2 divisors, whose sum is σ = 2112554443604. Its totient is φ = 2112554443602.

The previous prime is 2112554443511. The next prime is 2112554443607. The reversal of 2112554443603 is 3063444552112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112554443603 is a prime.

It is not a weakly prime, because it can be changed into another prime (2112554443607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056277221801 + 1056277221802.

It is an arithmetic number, because the mean of its divisors is an integer number (1056277221802).

Almost surely, 2^{2112554443603} is an apocalyptic number.

2112554443603 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112554443603 is an equidigital number, since it uses as much as digits as its factorization.

2112554443603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 40.

Adding to 2112554443603 its reverse (3063444552112), we get a palindrome (5175998995715).

The spelling of 2112554443603 in words is "two trillion, one hundred twelve billion, five hundred fifty-four million, four hundred forty-three thousand, six hundred three".