52351542402112 has 56 divisors (see below), whose sum is σ = 105603861453272. Its totient is φ = 25742823321600.

The previous prime is 52351542402101. The next prime is 52351542402127. The reversal of 52351542402112 is 21120424515325.

It can be written as a sum of positive squares in 4 ways, for example, as 17935767084096 + 34415775318016 = 4235064^2 + 5866496^2 .

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, 25289812 + ... + 27281452.

It is an arithmetic number, because the mean of its divisors is an integer number (1885783240237).

Almost surely, 2^{52351542402112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52351542402112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52801930726636).

52351542402112 is an abundant number, since it is smaller than the sum of its proper divisors (53252319051160).

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

52351542402112 is a wasteful number, since it uses less digits than its factorization.

52351542402112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1998447 (or 1998437 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

Adding to 52351542402112 its reverse (21120424515325), we get a palindrome (73471966917437).

The spelling of 52351542402112 in words is "fifty-two trillion, three hundred fifty-one billion, five hundred forty-two million, four hundred two thousand, one hundred twelve".