51071527512 has 64 divisors (see below), whose sum is σ = 141911568000. Its totient is φ = 17018296992.

The previous prime is 51071527511. The next prime is 51071527523. The reversal of 51071527512 is 21572517015.

51071527512 is a `hidden beast` number, since 5 + 10 + 71 + 527 + 51 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51071527511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 654939 + ... + 728757.

It is an arithmetic number, because the mean of its divisors is an integer number (2217368250).

Almost surely, 2^51071527512 is an apocalyptic number.

It is an amenable number.

51071527512 is an abundant number, since it is smaller than the sum of its proper divisors (90840040488).

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

51071527512 is a wasteful number, since it uses less digits than its factorization.

51071527512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77037 (or 77027 counting only the distinct ones).

The product of its (nonzero) digits is 24500, while the sum is 36.

The spelling of 51071527512 in words is "fifty-one billion, seventy-one million, five hundred twenty-seven thousand, five hundred twelve".