52141781261812 has 24 divisors (see below), whose sum is σ = 105398894744640. Its totient is φ = 22306644389760.

The previous prime is 52141781261747. The next prime is 52141781261821. The reversal of 52141781261812 is 21816218714125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34854131112 + ... + 34854132607.

It is an arithmetic number, because the mean of its divisors is an integer number (4391620614360).

Almost surely, 2^{52141781261812} is an apocalyptic number.

It is an amenable number.

52141781261812 is an abundant number, since it is smaller than the sum of its proper divisors (53257113482828).

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

52141781261812 is a wasteful number, since it uses less digits than its factorization.

52141781261812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69708263751 (or 69708263749 counting only the distinct ones).

The product of its digits is 430080, while the sum is 49.

Adding to 52141781261812 its reverse (21816218714125), we get a palindrome (73957999975937).

The spelling of 52141781261812 in words is "fifty-two trillion, one hundred forty-one billion, seven hundred eighty-one million, two hundred sixty-one thousand, eight hundred twelve".