51051255012 has 36 divisors (see below), whose sum is σ = 129165044736. Its totient is φ = 17001416880.

The previous prime is 51051254981. The next prime is 51051255029. The reversal of 51051255012 is 21055215015.

51051255012 is a `hidden beast` number, since 5 + 105 + 1 + 2 + 550 + 1 + 2 = 666.

51051255012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

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, 613164 + ... + 691427.

Almost surely, 2^51051255012 is an apocalyptic number.

It is an amenable number.

51051255012 is an abundant number, since it is smaller than the sum of its proper divisors (78113789724).

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

51051255012 is a wasteful number, since it uses less digits than its factorization.

51051255012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305688 (or 1305683 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 27.

The spelling of 51051255012 in words is "fifty-one billion, fifty-one million, two hundred fifty-five thousand, twelve".