51071071055 has 8 divisors (see below), whose sum is σ = 63262230144. Its totient is φ = 39538893600.

The previous prime is 51071071043. The next prime is 51071071063. The reversal of 51071071055 is 55017017015.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51071071055 - 2⁶ = 51071070991 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 164745236 + ... + 164745545.

It is an arithmetic number, because the mean of its divisors is an integer number (7907778768).

Almost surely, 2^51071071055 is an apocalyptic number.

51071071055 is a deficient number, since it is larger than the sum of its proper divisors (12191159089).

51071071055 is a wasteful number, since it uses less digits than its factorization.

51071071055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329490817.

The product of its (nonzero) digits is 6125, while the sum is 32.

The spelling of 51071071055 in words is "fifty-one billion, seventy-one million, seventy-one thousand, fifty-five".