51201530000253 has 12 divisors (see below), whose sum is σ = 73971283771008. Its totient is φ = 34128114157320.

The previous prime is 51201530000251. The next prime is 51201530000333. The reversal of 51201530000253 is 35200003510215.

It is a happy number.

51201530000253 is a `hidden beast` number, since 5 + 120 + 1 + 530 + 0 + 0 + 0 + 2 + 5 + 3 = 666.

51201530000253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51201530000253 - 2¹ = 51201530000251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51201530000251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 519879375 + ... + 519977852.

It is an arithmetic number, because the mean of its divisors is an integer number (6164273647584).

Almost surely, 2^{51201530000253} is an apocalyptic number.

It is an amenable number.

51201530000253 is a deficient number, since it is larger than the sum of its proper divisors (22769753770755).

51201530000253 is a wasteful number, since it uses less digits than its factorization.

51201530000253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039862704 (or 1039862701 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

Adding to 51201530000253 its reverse (35200003510215), we get a palindrome (86401533510468).

The spelling of 51201530000253 in words is "fifty-one trillion, two hundred one billion, five hundred thirty million, two hundred fifty-three", and thus it is an aban number.