104000531543 has 4 divisors (see below), whose sum is σ = 108522293808. Its totient is φ = 99478769280.

The previous prime is 104000531527. The next prime is 104000531561. The reversal of 104000531543 is 345135000401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345135000401 = 212677 ⋅1622813.

It is a cyclic number.

It is not a de Polignac number, because 104000531543 - 2⁴ = 104000531527 is a prime.

It is a super-2 number, since 2×104000531543² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104000531563) 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 3 ways as a sum of consecutive naturals, for example, 2260881098 + ... + 2260881143.

It is an arithmetic number, because the mean of its divisors is an integer number (27130573452).

Almost surely, 2^104000531543 is an apocalyptic number.

104000531543 is a deficient number, since it is larger than the sum of its proper divisors (4521762265).

104000531543 is an equidigital number, since it uses as much as digits as its factorization.

104000531543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4521762264.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 104000531543 its reverse (345135000401), we get a palindrome (449135531944).

The spelling of 104000531543 in words is "one hundred four billion, five hundred thirty-one thousand, five hundred forty-three".