541991276705 has 16 divisors (see below), whose sum is σ = 652413640320. Its totient is φ = 432244192512.

The previous prime is 541991276621. The next prime is 541991276731. The reversal of 541991276705 is 507672199145.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 541991276705 - 2¹⁶ = 541991211169 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8046356 + ... + 8113434.

It is an arithmetic number, because the mean of its divisors is an integer number (40775852520).

Almost surely, 2^541991276705 is an apocalyptic number.

It is an amenable number.

541991276705 is a deficient number, since it is larger than the sum of its proper divisors (110422363615).

541991276705 is a wasteful number, since it uses less digits than its factorization.

541991276705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72088.

The product of its (nonzero) digits is 4762800, while the sum is 56.

The spelling of 541991276705 in words is "five hundred forty-one billion, nine hundred ninety-one million, two hundred seventy-six thousand, seven hundred five".