51678881134 has 8 divisors (see below), whose sum is σ = 77520309048. Its totient is φ = 25838778120.

The previous prime is 51678881123. The next prime is 51678881231. The reversal of 51678881134 is 43118887615.

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

It is a super-2 number, since 2×51678881134² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227172 + ... + 393655.

It is an arithmetic number, because the mean of its divisors is an integer number (9690038631).

Almost surely, 2^51678881134 is an apocalyptic number.

51678881134 is a deficient number, since it is larger than the sum of its proper divisors (25841427914).

51678881134 is a wasteful number, since it uses less digits than its factorization.

51678881134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662450.

The product of its digits is 1290240, while the sum is 52.

The spelling of 51678881134 in words is "fifty-one billion, six hundred seventy-eight million, eight hundred eighty-one thousand, one hundred thirty-four".