541502077612321 has 4 divisors (see below), whose sum is σ = 618859517271232. Its totient is φ = 464144637953412.

The previous prime is 541502077612319. The next prime is 541502077612351. The reversal of 541502077612321 is 123216770205145.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 541502077612321 - 2¹ = 541502077612319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (541502077612351) 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, 38678719829445 + ... + 38678719829458.

It is an arithmetic number, because the mean of its divisors is an integer number (154714879317808).

Almost surely, 2^{541502077612321} is an apocalyptic number.

It is an amenable number.

541502077612321 is a deficient number, since it is larger than the sum of its proper divisors (77357439658911).

541502077612321 is an equidigital number, since it uses as much as digits as its factorization.

541502077612321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77357439658910.

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 541502077612321 in words is "five hundred forty-one trillion, five hundred two billion, seventy-seven million, six hundred twelve thousand, three hundred twenty-one".