355665323250543 has 4 divisors (see below), whose sum is σ = 474220431000728. Its totient is φ = 237110215500360.

The previous prime is 355665323250529. The next prime is 355665323250551. The reversal of 355665323250543 is 345052323566553.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 355665323250543 - 2¹² = 355665323246447 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 (355665323250563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59277553875088 + ... + 59277553875093.

It is an arithmetic number, because the mean of its divisors is an integer number (118555107750182).

Almost surely, 2^{355665323250543} is an apocalyptic number.

355665323250543 is a deficient number, since it is larger than the sum of its proper divisors (118555107750185).

355665323250543 is a wasteful number, since it uses less digits than its factorization.

355665323250543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118555107750184.

The product of its (nonzero) digits is 145800000, while the sum is 57.

The spelling of 355665323250543 in words is "three hundred fifty-five trillion, six hundred sixty-five billion, three hundred twenty-three million, two hundred fifty thousand, five hundred forty-three".