51344767512 has 32 divisors (see below), whose sum is σ = 142624354800. Its totient is φ = 17114922432.

The previous prime is 51344767501. The next prime is 51344767519. The reversal of 51344767512 is 21576744315.

51344767512 is a `hidden beast` number, since 5 + 1 + 34 + 47 + 67 + 512 = 666.

It is a super-2 number, since 2×51344767512² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51344767519) 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 7 ways as a sum of consecutive naturals, for example, 118853413 + ... + 118853844.

Almost surely, 2^51344767512 is an apocalyptic number.

It is an amenable number.

51344767512 is an abundant number, since it is smaller than the sum of its proper divisors (91279587288).

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

51344767512 is a wasteful number, since it uses less digits than its factorization.

51344767512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237707272 (or 237707262 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The spelling of 51344767512 in words is "fifty-one billion, three hundred forty-four million, seven hundred sixty-seven thousand, five hundred twelve".