51010510100 has 72 divisors (see below), whose sum is σ = 120792747936. Its totient is φ = 18543600000.

The previous prime is 51010510087. The next prime is 51010510121. The reversal of 51010510100 is 101501015.

51010510100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5606555 + ... + 5615645.

Almost surely, 2^51010510100 is an apocalyptic number.

51010510100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51010510100 is an abundant number, since it is smaller than the sum of its proper divisors (69782237836).

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

51010510100 is a wasteful number, since it uses less digits than its factorization.

51010510100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14217 (or 14210 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 14.

The spelling of 51010510100 in words is "fifty-one billion, ten million, five hundred ten thousand, one hundred".