51305026362616 has 128 divisors (see below), whose sum is σ = 105279674572800. Its totient is φ = 23298080624640.

The previous prime is 51305026362613. The next prime is 51305026362673. The reversal of 51305026362616 is 61626362050315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51305026362613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1069521480 + ... + 1069569448.

It is an arithmetic number, because the mean of its divisors is an integer number (822497457600).

Almost surely, 2^{51305026362616} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51305026362616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52639837286400).

51305026362616 is an abundant number, since it is smaller than the sum of its proper divisors (53974648210184).

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

51305026362616 is a wasteful number, since it uses less digits than its factorization.

51305026362616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48749 (or 48745 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 46.

The spelling of 51305026362616 in words is "fifty-one trillion, three hundred five billion, twenty-six million, three hundred sixty-two thousand, six hundred sixteen".