51376689989760 has 256 divisors, whose sum is σ = 164564588770560. Its totient is φ = 13633554874368.

The previous prime is 51376689989749. The next prime is 51376689989761. The reversal of 51376689989760 is 6798998667315.

It is not an unprimeable number, because it can be changed into a prime (51376689989761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 356297197 + ... + 356441363.

It is an arithmetic number, because the mean of its divisors is an integer number (642830424885).

Almost surely, 2^{51376689989760} 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 51376689989760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82282294385280).

51376689989760 is an abundant number, since it is smaller than the sum of its proper divisors (113187898780800).

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

51376689989760 is a wasteful number, since it uses less digits than its factorization.

51376689989760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145095 (or 145083 counting only the distinct ones).

The product of its (nonzero) digits is 7407106560, while the sum is 84.

The spelling of 51376689989760 in words is "fifty-one trillion, three hundred seventy-six billion, six hundred eighty-nine million, nine hundred eighty-nine thousand, seven hundred sixty".