52120152361 has 4 divisors (see below), whose sum is σ = 52421425092. Its totient is φ = 51818879632.

The previous prime is 52120152323. The next prime is 52120152437. The reversal of 52120152361 is 16325102125.

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

It can be written as a sum of positive squares in 2 ways, for example, as 48169275625 + 3950876736 = 219475^2 + 62856^2 .

It is a cyclic number.

It is not a de Polignac number, because 52120152361 - 2¹⁹ = 52119628073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52120155361) 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, 150636106 + ... + 150636451.

It is an arithmetic number, because the mean of its divisors is an integer number (13105356273).

Almost surely, 2^52120152361 is an apocalyptic number.

It is an amenable number.

52120152361 is a deficient number, since it is larger than the sum of its proper divisors (301272731).

52120152361 is a wasteful number, since it uses less digits than its factorization.

52120152361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301272730.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 52120152361 its reverse (16325102125), we get a palindrome (68445254486).

The spelling of 52120152361 in words is "fifty-two billion, one hundred twenty million, one hundred fifty-two thousand, three hundred sixty-one".