51052059081 has 32 divisors (see below), whose sum is σ = 77760576000. Its totient is φ = 33086880000.

The previous prime is 51052059053. The next prime is 51052059103. The reversal of 51052059081 is 18095025015.

It is a happy number.

51052059081 is a `hidden beast` number, since 5 + 1 + 0 + 520 + 59 + 0 + 81 = 666.

It is not a de Polignac number, because 51052059081 - 2¹⁷ = 51051928009 is a prime.

It is a super-2 number, since 2×51052059081² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51052059001) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 54081 + ... + 324081.

It is an arithmetic number, because the mean of its divisors is an integer number (2430018000).

Almost surely, 2^51052059081 is an apocalyptic number.

It is an amenable number.

51052059081 is a deficient number, since it is larger than the sum of its proper divisors (26708516919).

51052059081 is a wasteful number, since it uses less digits than its factorization.

51052059081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270206 (or 270200 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 36.

The spelling of 51052059081 in words is "fifty-one billion, fifty-two million, fifty-nine thousand, eighty-one".