15125142543 has 16 divisors (see below), whose sum is σ = 23583833856. Its totient is φ = 8441939520.

The previous prime is 15125142533. The next prime is 15125142551. The reversal of 15125142543 is 34524152151.

15125142543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15125142543 - 2⁵ = 15125142511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15125142533) 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 in 15 ways as a sum of consecutive naturals, for example, 8374038 + ... + 8375843.

It is an arithmetic number, because the mean of its divisors is an integer number (1473989616).

Almost surely, 2^15125142543 is an apocalyptic number.

15125142543 is a deficient number, since it is larger than the sum of its proper divisors (8458691313).

15125142543 is a wasteful number, since it uses less digits than its factorization.

15125142543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16749934.

The product of its digits is 24000, while the sum is 33.

Adding to 15125142543 its reverse (34524152151), we get a palindrome (49649294694).

The spelling of 15125142543 in words is "fifteen billion, one hundred twenty-five million, one hundred forty-two thousand, five hundred forty-three".