52135131504 has 80 divisors (see below), whose sum is σ = 140592501504. Its totient is φ = 16616371200.

The previous prime is 52135131479. The next prime is 52135131511. The reversal of 52135131504 is 40513153125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3438019 + ... + 3453149.

Almost surely, 2^52135131504 is an apocalyptic number.

It is an amenable number.

52135131504 is an abundant number, since it is smaller than the sum of its proper divisors (88457370000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52135131504 is a wasteful number, since it uses less digits than its factorization.

52135131504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18286 (or 18280 counting only the distinct ones).

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

Adding to 52135131504 its reverse (40513153125), we get a palindrome (92648284629).

The spelling of 52135131504 in words is "fifty-two billion, one hundred thirty-five million, one hundred thirty-one thousand, five hundred four".