15325234303543 has 4 divisors (see below), whose sum is σ = 15651303118560. Its totient is φ = 14999165488528.

The previous prime is 15325234303537. The next prime is 15325234303601. The reversal of 15325234303543 is 34530343252351.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15325234303543 is a prime.

It is a super-2 number, since 2×15325234303543² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15325234303543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15325234303523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163034407438 + ... + 163034407531.

It is an arithmetic number, because the mean of its divisors is an integer number (3912825779640).

Almost surely, 2^{15325234303543} is an apocalyptic number.

15325234303543 is a deficient number, since it is larger than the sum of its proper divisors (326068815017).

15325234303543 is an equidigital number, since it uses as much as digits as its factorization.

15325234303543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326068815016.

The product of its (nonzero) digits is 1944000, while the sum is 43.

Adding to 15325234303543 its reverse (34530343252351), we get a palindrome (49855577555894).

The spelling of 15325234303543 in words is "fifteen trillion, three hundred twenty-five billion, two hundred thirty-four million, three hundred three thousand, five hundred forty-three".