541121666333 has 64 divisors (see below), whose sum is σ = 591816056832. Its totient is φ = 493552899840.

The previous prime is 541121666317. The next prime is 541121666339. The reversal of 541121666333 is 333666121145.

It is a cyclic number.

It is not a de Polignac number, because 541121666333 - 2⁴ = 541121666317 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 (541121666339) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2746810391 + ... + 2746810587.

It is an arithmetic number, because the mean of its divisors is an integer number (9247125888).

Almost surely, 2^541121666333 is an apocalyptic number.

541121666333 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

541121666333 is a deficient number, since it is larger than the sum of its proper divisors (50694390499).

541121666333 is a wasteful number, since it uses less digits than its factorization.

541121666333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674.

The product of its digits is 233280, while the sum is 41.

Adding to 541121666333 its reverse (333666121145), we get a palindrome (874787787478).

The spelling of 541121666333 in words is "five hundred forty-one billion, one hundred twenty-one million, six hundred sixty-six thousand, three hundred thirty-three".