52512311321525 has 24 divisors (see below), whose sum is σ = 71190273126144. Its totient is φ = 38107203350400.

The previous prime is 52512311321489. The next prime is 52512311321527.

52512311321525 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 52512311321525 - 2¹⁰ = 52512311320501 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 (52512311321527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 208795397 + ... + 209046746.

It is an arithmetic number, because the mean of its divisors is an integer number (2966261380256).

Almost surely, 2^{52512311321525} is an apocalyptic number.

52512311321525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52512311321525 is a deficient number, since it is larger than the sum of its proper divisors (18677961804619).

52512311321525 is a wasteful number, since it uses less digits than its factorization.

52512311321525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417842621 (or 417842616 counting only the distinct ones).

The product of its digits is 90000, while the sum is 38.

It can be divided in two parts, 5251231 and 1321525, that added together give a palindrome (6572756).

The spelling of 52512311321525 in words is "fifty-two trillion, five hundred twelve billion, three hundred eleven million, three hundred twenty-one thousand, five hundred twenty-five".