51234722743216 has 10 divisors (see below), whose sum is σ = 99267275315012. Its totient is φ = 25617361371600.

The previous prime is 51234722743199. The next prime is 51234722743223. The reversal of 51234722743216 is 61234722743215.

It is a self number, because there is not a number n which added to its sum of digits gives 51234722743216.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1601085085710 + ... + 1601085085741.

Almost surely, 2^{51234722743216} is an apocalyptic number.

It is an amenable number.

51234722743216 is a deficient number, since it is larger than the sum of its proper divisors (48032552571796).

51234722743216 is a wasteful number, since it uses less digits than its factorization.

51234722743216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3202170171459 (or 3202170171453 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 49.

Subtracting 51234722743216 from its reverse (61234722743215), we obtain a palindrome (9999999999999).

The spelling of 51234722743216 in words is "fifty-one trillion, two hundred thirty-four billion, seven hundred twenty-two million, seven hundred forty-three thousand, two hundred sixteen".