51352512523326 has 144 divisors (see below), whose sum is σ = 130373102789280. Its totient is φ = 14308544194560.

The previous prime is 51352512523309. The next prime is 51352512523349. The reversal of 51352512523326 is 62332521525315.

51352512523326 is a `hidden beast` number, since 5 + 1 + 3 + 52 + 51 + 2 + 523 + 3 + 26 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 59329746 + ... + 60189066.

It is an arithmetic number, because the mean of its divisors is an integer number (905368769370).

Almost surely, 2^{51352512523326} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51352512523326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65186551394640).

51352512523326 is an abundant number, since it is smaller than the sum of its proper divisors (79020590265954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51352512523326 is a wasteful number, since it uses less digits than its factorization.

51352512523326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859571 (or 859495 counting only the distinct ones).

The product of its digits is 1620000, while the sum is 45.

The spelling of 51352512523326 in words is "fifty-one trillion, three hundred fifty-two billion, five hundred twelve million, five hundred twenty-three thousand, three hundred twenty-six".