51016505701506 has 16 divisors (see below), whose sum is σ = 108034953250464. Its totient is φ = 16005178259264.

The previous prime is 51016505701487. The next prime is 51016505701543. The reversal of 51016505701506 is 60510750561015.

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, 250080910200 + ... + 250080910403.

It is an arithmetic number, because the mean of its divisors is an integer number (6752184578154).

Almost surely, 2^{51016505701506} is an apocalyptic number.

51016505701506 is an abundant number, since it is smaller than the sum of its proper divisors (57018447548958).

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

51016505701506 is a wasteful number, since it uses less digits than its factorization.

51016505701506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500161820625.

The product of its (nonzero) digits is 157500, while the sum is 42.

The spelling of 51016505701506 in words is "fifty-one trillion, sixteen billion, five hundred five million, seven hundred one thousand, five hundred six".