1355355422543 has 2 divisors, whose sum is σ = 1355355422544. Its totient is φ = 1355355422542.

The previous prime is 1355355422539. The next prime is 1355355422579. The reversal of 1355355422543 is 3452245535531.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1355355422543 - 2² = 1355355422539 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1355355422593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677677711271 + 677677711272.

It is an arithmetic number, because the mean of its divisors is an integer number (677677711272).

Almost surely, 2^{1355355422543} is an apocalyptic number.

1355355422543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355355422543 is an equidigital number, since it uses as much as digits as its factorization.

1355355422543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400000, while the sum is 47.

The spelling of 1355355422543 in words is "one trillion, three hundred fifty-five billion, three hundred fifty-five million, four hundred twenty-two thousand, five hundred forty-three".