541506543903 has 24 divisors (see below), whose sum is σ = 842488592400. Its totient is φ = 333177402240.

The previous prime is 541506543883. The next prime is 541506543953. The reversal of 541506543903 is 309345605145.

541506543903 is a `hidden beast` number, since 5 + 4 + 1 + 506 + 54 + 3 + 90 + 3 = 666.

It is not a de Polignac number, because 541506543903 - 2⁸ = 541506543647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541506543953) 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 23 ways as a sum of consecutive naturals, for example, 288688 + ... + 1079978.

It is an arithmetic number, because the mean of its divisors is an integer number (35103691350).

Almost surely, 2^541506543903 is an apocalyptic number.

541506543903 is a deficient number, since it is larger than the sum of its proper divisors (300982048497).

541506543903 is a wasteful number, since it uses less digits than its factorization.

541506543903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797159 (or 797156 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 45.

The spelling of 541506543903 in words is "five hundred forty-one billion, five hundred six million, five hundred forty-three thousand, nine hundred three".