51016444461016 has 128 divisors (see below), whose sum is σ = 104534868556800. Its totient is φ = 23263218800640.

The previous prime is 51016444461011. The next prime is 51016444461023. The reversal of 51016444461016 is 61016444461015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51016444461011) 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, 105511426 + ... + 105993838.

It is an arithmetic number, because the mean of its divisors is an integer number (816678660600).

Almost surely, 2^{51016444461016} is an apocalyptic number.

It is an amenable number.

51016444461016 is an abundant number, since it is smaller than the sum of its proper divisors (53518424095784).

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

51016444461016 is a wasteful number, since it uses less digits than its factorization.

51016444461016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482729 (or 482725 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

Subtracting 51016444461016 from its reverse (61016444461015), we obtain a palindrome (9999999999999).

The spelling of 51016444461016 in words is "fifty-one trillion, sixteen billion, four hundred forty-four million, four hundred sixty-one thousand, sixteen".