355040435543 has 2 divisors, whose sum is σ = 355040435544. Its totient is φ = 355040435542.

The previous prime is 355040435521. The next prime is 355040435597. The reversal of 355040435543 is 345534040553.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 355040435543 - 2¹⁶ = 355040370007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 355040435543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355040435513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177520217771 + 177520217772.

It is an arithmetic number, because the mean of its divisors is an integer number (177520217772).

Almost surely, 2^355040435543 is an apocalyptic number.

355040435543 is a deficient number, since it is larger than the sum of its proper divisors (1).

355040435543 is an equidigital number, since it uses as much as digits as its factorization.

355040435543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080000, while the sum is 41.

The spelling of 355040435543 in words is "three hundred fifty-five billion, forty million, four hundred thirty-five thousand, five hundred forty-three".