51201112086 has 12 divisors (see below), whose sum is σ = 110935742892. Its totient is φ = 17067037356.

The previous prime is 51201112021. The next prime is 51201112099. The reversal of 51201112086 is 68021110215.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1422253096 + ... + 1422253131.

It is an arithmetic number, because the mean of its divisors is an integer number (9244645241).

Almost surely, 2^51201112086 is an apocalyptic number.

51201112086 is an abundant number, since it is smaller than the sum of its proper divisors (59734630806).

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

51201112086 is a wasteful number, since it uses less digits than its factorization.

51201112086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2844506235 (or 2844506232 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The spelling of 51201112086 in words is "fifty-one billion, two hundred one million, one hundred twelve thousand, eighty-six".