541338977181 has 16 divisors (see below), whose sum is σ = 745125765120. Its totient is φ = 349224203760.

The previous prime is 541338977173. The next prime is 541338977203. The reversal of 541338977181 is 181779833145.

It is not a de Polignac number, because 541338977181 - 2³ = 541338977173 is a prime.

It is a super-4 number, since 4×541338977181⁴ (a number of 48 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541338977281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1035880 + ... + 1468238.

It is an arithmetic number, because the mean of its divisors is an integer number (46570360320).

Almost surely, 2^541338977181 is an apocalyptic number.

It is an amenable number.

541338977181 is a deficient number, since it is larger than the sum of its proper divisors (203786787939).

541338977181 is a wasteful number, since it uses less digits than its factorization.

541338977181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445856.

The product of its digits is 5080320, while the sum is 57.

The spelling of 541338977181 in words is "five hundred forty-one billion, three hundred thirty-eight million, nine hundred seventy-seven thousand, one hundred eighty-one".