541081081681 has 8 divisors (see below), whose sum is σ = 621833008320. Its totient is φ = 461192812368.

The previous prime is 541081081577. The next prime is 541081081693. The reversal of 541081081681 is 186180180145.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 541081081681 - 2¹¹ = 541081079633 is a prime.

It is a super-2 number, since 2×541081081681² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (541081084681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215912986 + ... + 215915491.

It is an arithmetic number, because the mean of its divisors is an integer number (77729126040).

Almost surely, 2^541081081681 is an apocalyptic number.

It is an amenable number.

541081081681 is a deficient number, since it is larger than the sum of its proper divisors (80751926639).

541081081681 is a wasteful number, since it uses less digits than its factorization.

541081081681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431828663.

The product of its (nonzero) digits is 61440, while the sum is 43.

The spelling of 541081081681 in words is "five hundred forty-one billion, eighty-one million, eighty-one thousand, six hundred eighty-one".