10000541543 has 4 divisors (see below), whose sum is σ = 10042037808. Its totient is φ = 9959045280.

The previous prime is 10000541501. The next prime is 10000541549. The reversal of 10000541543 is 34514500001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34514500001 = 109 ⋅316646789.

It is a cyclic number.

It is not a de Polignac number, because 10000541543 - 2¹² = 10000537447 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 (10000541549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20747771 + ... + 20748252.

It is an arithmetic number, because the mean of its divisors is an integer number (2510509452).

Almost surely, 2^10000541543 is an apocalyptic number.

10000541543 is a deficient number, since it is larger than the sum of its proper divisors (41496265).

10000541543 is an equidigital number, since it uses as much as digits as its factorization.

10000541543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41496264.

The product of its (nonzero) digits is 1200, while the sum is 23.

The spelling of 10000541543 in words is "ten billion, five hundred forty-one thousand, five hundred forty-three".