1101050557543 has 2 divisors, whose sum is σ = 1101050557544. Its totient is φ = 1101050557542.

The previous prime is 1101050557499. The next prime is 1101050557567. The reversal of 1101050557543 is 3457550501011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101050557543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101050557573) 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, 550525278771 + 550525278772.

It is an arithmetic number, because the mean of its divisors is an integer number (550525278772).

Almost surely, 2^{1101050557543} is an apocalyptic number.

1101050557543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101050557543 is an equidigital number, since it uses as much as digits as its factorization.

1101050557543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52500, while the sum is 37.

The spelling of 1101050557543 in words is "one trillion, one hundred one billion, fifty million, five hundred fifty-seven thousand, five hundred forty-three".