51083727312080 has 20 divisors (see below), whose sum is σ = 118769666000772. Its totient is φ = 20433490924800.

The previous prime is 51083727312029. The next prime is 51083727312089. The reversal of 51083727312080 is 8021372738015.

It can be written as a sum of positive squares in 2 ways, for example, as 13130882806336 + 37952844505744 = 3623656^2 + 6160588^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51083727312089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319273295621 + ... + 319273295780.

Almost surely, 2^{51083727312080} is an apocalyptic number.

It is an amenable number.

51083727312080 is an abundant number, since it is smaller than the sum of its proper divisors (67685938688692).

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

51083727312080 is a wasteful number, since it uses less digits than its factorization.

51083727312080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638546591414 (or 638546591408 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 51083727312080 in words is "fifty-one trillion, eighty-three billion, seven hundred twenty-seven million, three hundred twelve thousand, eighty".