51011705670212 has 24 divisors (see below), whose sum is σ = 108024788479104. Its totient is φ = 20576150186112.

The previous prime is 51011705670193. The next prime is 51011705670239. The reversal of 51011705670212 is 21207650711015.

It is a super-2 number, since 2×51011705670212² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53583723968 + ... + 53583724919.

It is an arithmetic number, because the mean of its divisors is an integer number (4501032853296).

Almost surely, 2^{51011705670212} is an apocalyptic number.

It is an amenable number.

51011705670212 is an abundant number, since it is smaller than the sum of its proper divisors (57013082808892).

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

51011705670212 is a wasteful number, since it uses less digits than its factorization.

51011705670212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107167448915 (or 107167448913 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 38.

The spelling of 51011705670212 in words is "fifty-one trillion, eleven billion, seven hundred five million, six hundred seventy thousand, two hundred twelve".