51510566106 has 24 divisors (see below), whose sum is σ = 114201721920. Its totient is φ = 16770881736.

The previous prime is 51510566087. The next prime is 51510566119. The reversal of 51510566106 is 60166501515.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33274786 + ... + 33276333.

It is an arithmetic number, because the mean of its divisors is an integer number (4758405080).

Almost surely, 2^51510566106 is an apocalyptic number.

51510566106 is an abundant number, since it is smaller than the sum of its proper divisors (62691155814).

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

51510566106 is a wasteful number, since it uses less digits than its factorization.

51510566106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66551170 (or 66551167 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 51510566106 in words is "fifty-one billion, five hundred ten million, five hundred sixty-six thousand, one hundred six".