51678881132 has 6 divisors (see below), whose sum is σ = 90438041988. Its totient is φ = 25839440564.

The previous prime is 51678881123. The next prime is 51678881231. The reversal of 51678881132 is 23118887615.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6459860138 + ... + 6459860145.

It is an arithmetic number, because the mean of its divisors is an integer number (15073006998).

Almost surely, 2^51678881132 is an apocalyptic number.

It is an amenable number.

51678881132 is a deficient number, since it is larger than the sum of its proper divisors (38759160856).

51678881132 is a wasteful number, since it uses less digits than its factorization.

51678881132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12919720287 (or 12919720285 counting only the distinct ones).

The product of its digits is 645120, while the sum is 50.

The spelling of 51678881132 in words is "fifty-one billion, six hundred seventy-eight million, eight hundred eighty-one thousand, one hundred thirty-two".