51505505166010 has 96 divisors (see below), whose sum is σ = 108891322045632. Its totient is φ = 17488668476160.

The previous prime is 51505505166001. The next prime is 51505505166013. The reversal of 51505505166010 is 1066150550515.

It is not an unprimeable number, because it can be changed into a prime (51505505166013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21463870 + ... + 23742550.

It is an arithmetic number, because the mean of its divisors is an integer number (1134284604642).

Almost surely, 2^{51505505166010} is an apocalyptic number.

51505505166010 is an abundant number, since it is smaller than the sum of its proper divisors (57385816879622).

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

51505505166010 is a wasteful number, since it uses less digits than its factorization.

51505505166010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279148 (or 2279141 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 40.

The spelling of 51505505166010 in words is "fifty-one trillion, five hundred five billion, five hundred five million, one hundred sixty-six thousand, ten".