51030332503513 has 6 divisors (see below), whose sum is σ = 56091191925482. Its totient is φ = 46391211366720.

The previous prime is 51030332503463. The next prime is 51030332503529. The reversal of 51030332503513 is 31530523303015.

It can be written as a sum of positive squares in only one way, i.e., 50460379981209 + 569952522304 = 7103547^2 + 754952^2 .

It is not a de Polignac number, because 51030332503513 - 2²⁵ = 51030298949081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51030332573513) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 210869142456 + ... + 210869142697.

Almost surely, 2^{51030332503513} is an apocalyptic number.

It is an amenable number.

51030332503513 is a deficient number, since it is larger than the sum of its proper divisors (5060859421969).

51030332503513 is a wasteful number, since it uses less digits than its factorization.

51030332503513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421738285175 (or 421738285164 counting only the distinct ones).

The product of its (nonzero) digits is 60750, while the sum is 34.

Adding to 51030332503513 its reverse (31530523303015), we get a palindrome (82560855806528).

The spelling of 51030332503513 in words is "fifty-one trillion, thirty billion, three hundred thirty-two million, five hundred three thousand, five hundred thirteen".