52113430447312 has 160 divisors (see below), whose sum is σ = 113518734336000. Its totient is φ = 23022378745344.

The previous prime is 52113430447307. The next prime is 52113430447343. The reversal of 52113430447312 is 21374403431125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90757689 + ... + 91330087.

It is an arithmetic number, because the mean of its divisors is an integer number (709492089600).

Almost surely, 2^{52113430447312} is an apocalyptic number.

52113430447312 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52113430447312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56759367168000).

52113430447312 is an abundant number, since it is smaller than the sum of its proper divisors (61405303888688).

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

52113430447312 is a wasteful number, since it uses less digits than its factorization.

52113430447312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572673 (or 572667 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 40.

Adding to 52113430447312 its reverse (21374403431125), we get a palindrome (73487833878437).

The spelling of 52113430447312 in words is "fifty-two trillion, one hundred thirteen billion, four hundred thirty million, four hundred forty-seven thousand, three hundred twelve".