52523520125511 has 4 divisors (see below), whose sum is σ = 70031360167352. Its totient is φ = 35015680083672.

The previous prime is 52523520125509. The next prime is 52523520125551. The reversal of 52523520125511 is 11552102532525.

52523520125511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 52523520125511 - 2¹ = 52523520125509 is a prime.

It is a super-2 number, since 2×52523520125511² (a number of 28 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 52523520125511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52523520125551) 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, 8753920020916 + ... + 8753920020921.

It is an arithmetic number, because the mean of its divisors is an integer number (17507840041838).

Almost surely, 2^{52523520125511} is an apocalyptic number.

52523520125511 is a deficient number, since it is larger than the sum of its proper divisors (17507840041841).

52523520125511 is a wasteful number, since it uses less digits than its factorization.

52523520125511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17507840041840.

The product of its (nonzero) digits is 150000, while the sum is 39.

The spelling of 52523520125511 in words is "fifty-two trillion, five hundred twenty-three billion, five hundred twenty million, one hundred twenty-five thousand, five hundred eleven".