543643611366355 has 4 divisors (see below), whose sum is σ = 652372333639632. Its totient is φ = 434914889093080.

The previous prime is 543643611366343. The next prime is 543643611366431. The reversal of 543643611366355 is 553663116346345.

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

It is not a de Polignac number, because 543643611366355 - 2²¹ = 543643609269203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 543643611366293 and 543643611366302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54364361136631 + ... + 54364361136640.

It is an arithmetic number, because the mean of its divisors is an integer number (163093083409908).

Almost surely, 2^{543643611366355} is an apocalyptic number.

543643611366355 is a deficient number, since it is larger than the sum of its proper divisors (108728722273277).

543643611366355 is a wasteful number, since it uses less digits than its factorization.

543643611366355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108728722273276.

The product of its digits is 209952000, while the sum is 61.

The spelling of 543643611366355 in words is "five hundred forty-three trillion, six hundred forty-three billion, six hundred eleven million, three hundred sixty-six thousand, three hundred fifty-five".