52131405140120 has 16 divisors (see below), whose sum is σ = 117295661565360. Its totient is φ = 20852562056032.

The previous prime is 52131405139963. The next prime is 52131405140173. The reversal of 52131405140120 is 2104150413125.

It is a happy number.

It is a super-2 number, since 2×52131405140120² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 651642564212 + ... + 651642564291.

It is an arithmetic number, because the mean of its divisors is an integer number (7330978847835).

Almost surely, 2^{52131405140120} is an apocalyptic number.

It is an amenable number.

52131405140120 is an abundant number, since it is smaller than the sum of its proper divisors (65164256425240).

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

52131405140120 is a wasteful number, since it uses less digits than its factorization.

52131405140120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303285128514 (or 1303285128510 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 52131405140120 its reverse (2104150413125), we get a palindrome (54235555553245).

The spelling of 52131405140120 in words is "fifty-two trillion, one hundred thirty-one billion, four hundred five million, one hundred forty thousand, one hundred twenty".