51352511231837 has 4 divisors (see below), whose sum is σ = 51547767928800. Its totient is φ = 51157254534876.

The previous prime is 51352511231713. The next prime is 51352511231843. The reversal of 51352511231837 is 73813211525315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51352511231837 - 2⁴⁰ = 50252999604061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51352511231791 and 51352511231800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51352511231897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97628348087 + ... + 97628348612.

It is an arithmetic number, because the mean of its divisors is an integer number (12886941982200).

Almost surely, 2^{51352511231837} is an apocalyptic number.

It is an amenable number.

51352511231837 is a deficient number, since it is larger than the sum of its proper divisors (195256696963).

51352511231837 is a wasteful number, since it uses less digits than its factorization.

51352511231837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195256696962.

The product of its digits is 756000, while the sum is 47.

The spelling of 51352511231837 in words is "fifty-one trillion, three hundred fifty-two billion, five hundred eleven million, two hundred thirty-one thousand, eight hundred thirty-seven".