15040340543 has 2 divisors, whose sum is σ = 15040340544. Its totient is φ = 15040340542.

The previous prime is 15040340531. The next prime is 15040340611. The reversal of 15040340543 is 34504304051.

15040340543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15040340543 - 2²⁸ = 14771905087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15040340143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7520170271 + 7520170272.

It is an arithmetic number, because the mean of its divisors is an integer number (7520170272).

Almost surely, 2^15040340543 is an apocalyptic number.

15040340543 is a deficient number, since it is larger than the sum of its proper divisors (1).

15040340543 is an equidigital number, since it uses as much as digits as its factorization.

15040340543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 15040340543 its reverse (34504304051), we get a palindrome (49544644594).

The spelling of 15040340543 in words is "fifteen billion, forty million, three hundred forty thousand, five hundred forty-three".