51066878118 has 16 divisors (see below), whose sum is σ = 102139581360. Its totient is φ = 17021321856.

The previous prime is 51066878111. The next prime is 51066878123. The reversal of 51066878118 is 81187866015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51066878111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124303 + ... + 342906.

It is an arithmetic number, because the mean of its divisors is an integer number (6383723835).

Almost surely, 2^51066878118 is an apocalyptic number.

51066878118 is an abundant number, since it is smaller than the sum of its proper divisors (51072703242).

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

51066878118 is a wasteful number, since it uses less digits than its factorization.

51066878118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485431.

The product of its (nonzero) digits is 645120, while the sum is 51.

The spelling of 51066878118 in words is "fifty-one billion, sixty-six million, eight hundred seventy-eight thousand, one hundred eighteen".