51165056012006 has 16 divisors (see below), whose sum is σ = 77895107856816. Its totient is φ = 25200040035456.

The previous prime is 51165056011991. The next prime is 51165056012039. The reversal of 51165056012006 is 60021065056115.

It is a happy number.

It is a super-2 number, since 2×51165056012006² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167810 + ... + 10117226.

It is an arithmetic number, because the mean of its divisors is an integer number (4868444241051).

Almost surely, 2^{51165056012006} is an apocalyptic number.

51165056012006 is a deficient number, since it is larger than the sum of its proper divisors (26730051844810).

51165056012006 is a wasteful number, since it uses less digits than its factorization.

51165056012006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9987863.

The product of its (nonzero) digits is 54000, while the sum is 38.

The spelling of 51165056012006 in words is "fifty-one trillion, one hundred sixty-five billion, fifty-six million, twelve thousand, six".