1275536704543 has 2 divisors, whose sum is σ = 1275536704544. Its totient is φ = 1275536704542.

The previous prime is 1275536704531. The next prime is 1275536704577. The reversal of 1275536704543 is 3454076355721.

It is a weak prime.

It is an emirp because it is prime and its reverse (3454076355721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1275536704543 - 2¹⁷ = 1275536573471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1275536704523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637768352271 + 637768352272.

It is an arithmetic number, because the mean of its divisors is an integer number (637768352272).

Almost surely, 2^{1275536704543} is an apocalyptic number.

1275536704543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1275536704543 is an equidigital number, since it uses as much as digits as its factorization.

1275536704543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584000, while the sum is 52.

The spelling of 1275536704543 in words is "one trillion, two hundred seventy-five billion, five hundred thirty-six million, seven hundred four thousand, five hundred forty-three".