355021540543 has 6 divisors (see below), whose sum is σ = 357212975784. Its totient is φ = 352843467876.

The previous prime is 355021540537. The next prime is 355021540603. The reversal of 355021540543 is 345045120553.

It is not a de Polignac number, because 355021540543 - 2¹³ = 355021532351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355021540943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6654555 + ... + 6707692.

It is an arithmetic number, because the mean of its divisors is an integer number (59535495964).

Almost surely, 2^355021540543 is an apocalyptic number.

355021540543 is a deficient number, since it is larger than the sum of its proper divisors (2191435241).

355021540543 is an equidigital number, since it uses as much as digits as its factorization.

355021540543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13362573 (or 13362410 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 37.

The spelling of 355021540543 in words is "three hundred fifty-five billion, twenty-one million, five hundred forty thousand, five hundred forty-three".