51151066120506 has 16 divisors (see below), whose sum is σ = 111602326081248. Its totient is φ = 15500323066800.

The previous prime is 51151066120487. The next prime is 51151066120519. The reversal of 51151066120506 is 60502166015115.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387508076605 + ... + 387508076736.

It is an arithmetic number, because the mean of its divisors is an integer number (6975145380078).

Almost surely, 2^{51151066120506} is an apocalyptic number.

51151066120506 is an abundant number, since it is smaller than the sum of its proper divisors (60451259960742).

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

51151066120506 is a wasteful number, since it uses less digits than its factorization.

51151066120506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775016153357.

The product of its (nonzero) digits is 54000, while the sum is 39.

The spelling of 51151066120506 in words is "fifty-one trillion, one hundred fifty-one billion, sixty-six million, one hundred twenty thousand, five hundred six".