51866127210 has 32 divisors (see below), whose sum is σ = 124484723712. Its totient is φ = 13830298560.

The previous prime is 51866127193. The next prime is 51866127221. The reversal of 51866127210 is 1272166815.

51866127210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1104000 + ... + 1150020.

It is an arithmetic number, because the mean of its divisors is an integer number (3890147616).

Almost surely, 2^51866127210 is an apocalyptic number.

51866127210 is an abundant number, since it is smaller than the sum of its proper divisors (72618596502).

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

51866127210 is a wasteful number, since it uses less digits than its factorization.

51866127210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83598.

The product of its (nonzero) digits is 40320, while the sum is 39.

The spelling of 51866127210 in words is "fifty-one billion, eight hundred sixty-six million, one hundred twenty-seven thousand, two hundred ten".