10115543 has 8 divisors (see below), whose sum is σ = 10684800. Its totient is φ = 9550008.

The previous prime is 10115533. The next prime is 10115557. The reversal of 10115543 is 34551101.

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

It is not a de Polignac number, because 10115543 - 2¹⁸ = 9853399 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 (10115513) 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, 6080 + ... + 7562.

It is an arithmetic number, because the mean of its divisors is an integer number (1335600).

Almost surely, 2^10115543 is an apocalyptic number.

10115543 is a deficient number, since it is larger than the sum of its proper divisors (569257).

10115543 is a wasteful number, since it uses less digits than its factorization.

10115543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 10115543 is about 3180.4941439971. The cubic root of 10115543 is about 216.2700597294.

Adding to 10115543 its reverse (34551101), we get a palindrome (44666644).

The spelling of 10115543 in words is "ten million, one hundred fifteen thousand, five hundred forty-three".