52135221042001 has 8 divisors (see below), whose sum is σ = 55203131814120. Its totient is φ = 49067436165888.

The previous prime is 52135221041951. The next prime is 52135221042053. The reversal of 52135221042001 is 10024012253125.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21294080931601 + 30841140110400 = 4614551^2 + 5553480^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-52135221042001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52135221042071) 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, 30620746 + ... + 32278483.

It is an arithmetic number, because the mean of its divisors is an integer number (6900391476765).

Almost surely, 2^{52135221042001} is an apocalyptic number.

It is an amenable number.

52135221042001 is a deficient number, since it is larger than the sum of its proper divisors (3067910772119).

52135221042001 is a wasteful number, since it uses less digits than its factorization.

52135221042001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62948003.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 52135221042001 its reverse (10024012253125), we get a palindrome (62159233295126).

The spelling of 52135221042001 in words is "fifty-two trillion, one hundred thirty-five billion, two hundred twenty-one million, forty-two thousand, one".