52120342541 has 4 divisors (see below), whose sum is σ = 52127662752. Its totient is φ = 52113022332.

The previous prime is 52120342513. The next prime is 52120342577. The reversal of 52120342541 is 14524302125.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52120342541 - 2¹⁴ = 52120326157 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 (52120342511) 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, 3649415 + ... + 3663668.

It is an arithmetic number, because the mean of its divisors is an integer number (13031915688).

Almost surely, 2^52120342541 is an apocalyptic number.

It is an amenable number.

52120342541 is a deficient number, since it is larger than the sum of its proper divisors (7320211).

52120342541 is an equidigital number, since it uses as much as digits as its factorization.

52120342541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7320210.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 52120342541 its reverse (14524302125), we get a palindrome (66644644666).

The spelling of 52120342541 in words is "fifty-two billion, one hundred twenty million, three hundred forty-two thousand, five hundred forty-one".