51476178321120 has 192 divisors, whose sum is σ = 187396425538560. Its totient is φ = 11633781485568.

The previous prime is 51476178321107. The next prime is 51476178321131. The reversal of 51476178321120 is 2112387167415.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 51476178321120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85770012 + ... + 86368091.

It is an arithmetic number, because the mean of its divisors is an integer number (976023049680).

Almost surely, 2^{51476178321120} is an apocalyptic number.

It is an amenable number.

51476178321120 is an abundant number, since it is smaller than the sum of its proper divisors (135920247217440).

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

51476178321120 is a wasteful number, since it uses less digits than its factorization.

51476178321120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172138217 (or 172138209 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 51476178321120 in words is "fifty-one trillion, four hundred seventy-six billion, one hundred seventy-eight million, three hundred twenty-one thousand, one hundred twenty".