51843687060000 has 240 divisors, whose sum is σ = 185517452137248. Its totient is φ = 12568166400000.

The previous prime is 51843687059921. The next prime is 51843687060101. The reversal of 51843687060000 is 6078634815.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×51843687060000² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

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 39 ways as a sum of consecutive naturals, for example, 38615521 + ... + 39935520.

Almost surely, 2^{51843687060000} is an apocalyptic number.

51843687060000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51843687060000 is an abundant number, since it is smaller than the sum of its proper divisors (133673765077248).

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

51843687060000 is a wasteful number, since it uses less digits than its factorization.

51843687060000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78551085 (or 78551062 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 51843687060000 in words is "fifty-one trillion, eight hundred forty-three billion, six hundred eighty-seven million, sixty thousand".