51340351856156 has 24 divisors (see below), whose sum is σ = 99620176036080. Its totient is φ = 22953957609600.

The previous prime is 51340351856149. The next prime is 51340351856231. The reversal of 51340351856156 is 65165815304315.

It is a junction number, because it is equal to n+sod(n) for n = 51340351856098 and 51340351856107.

It is a congruent number.

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, 9564146321 + ... + 9564151688.

It is an arithmetic number, because the mean of its divisors is an integer number (4150840668170).

Almost surely, 2^{51340351856156} is an apocalyptic number.

It is an amenable number.

51340351856156 is a deficient number, since it is larger than the sum of its proper divisors (48279824179924).

51340351856156 is a wasteful number, since it uses less digits than its factorization.

51340351856156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19128298085 (or 19128298083 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 53.

The spelling of 51340351856156 in words is "fifty-one trillion, three hundred forty billion, three hundred fifty-one million, eight hundred fifty-six thousand, one hundred fifty-six".