40115000543 has 4 divisors (see below), whose sum is σ = 40622785440. Its totient is φ = 39607215648.

The previous prime is 40115000539. The next prime is 40115000567. The reversal of 40115000543 is 34500051104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40115000543 - 2² = 40115000539 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 (40115000573) 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, 253892330 + ... + 253892487.

It is an arithmetic number, because the mean of its divisors is an integer number (10155696360).

Almost surely, 2^40115000543 is an apocalyptic number.

40115000543 is a deficient number, since it is larger than the sum of its proper divisors (507784897).

40115000543 is an equidigital number, since it uses as much as digits as its factorization.

40115000543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507784896.

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

Adding to 40115000543 its reverse (34500051104), we get a palindrome (74615051647).

The spelling of 40115000543 in words is "forty billion, one hundred fifteen million, five hundred forty-three", and thus it is an aban number.