52513251113320 has 32 divisors (see below), whose sum is σ = 118168843403520. Its totient is φ = 21002806507840.

The previous prime is 52513251113311. The next prime is 52513251113327. The reversal of 52513251113320 is 2331115231525.

It is not an unprimeable number, because it can be changed into a prime (52513251113327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77594416 + ... + 78268255.

It is an arithmetic number, because the mean of its divisors is an integer number (3692776356360).

Almost surely, 2^{52513251113320} is an apocalyptic number.

It is an amenable number.

52513251113320 is an abundant number, since it is smaller than the sum of its proper divisors (65655592290200).

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

52513251113320 is a wasteful number, since it uses less digits than its factorization.

52513251113320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155871105 (or 155871101 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

Adding to 52513251113320 its reverse (2331115231525), we get a palindrome (54844366344845).

The spelling of 52513251113320 in words is "fifty-two trillion, five hundred thirteen billion, two hundred fifty-one million, one hundred thirteen thousand, three hundred twenty".