52131015543 has 4 divisors (see below), whose sum is σ = 69508020728. Its totient is φ = 34754010360.

The previous prime is 52131015523. The next prime is 52131015589. The reversal of 52131015543 is 34551013125.

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

It is not a de Polignac number, because 52131015543 - 2²⁵ = 52097461111 is a prime.

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 52131015543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52131015523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8688502588 + ... + 8688502593.

It is an arithmetic number, because the mean of its divisors is an integer number (17377005182).

Almost surely, 2^52131015543 is an apocalyptic number.

52131015543 is a deficient number, since it is larger than the sum of its proper divisors (17377005185).

52131015543 is a wasteful number, since it uses less digits than its factorization.

52131015543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17377005184.

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 52131015543 its reverse (34551013125), we get a palindrome (86682028668).

The spelling of 52131015543 in words is "fifty-two billion, one hundred thirty-one million, fifteen thousand, five hundred forty-three".