51151375844 has 12 divisors (see below), whose sum is σ = 94226218800. Its totient is φ = 24229599048.

The previous prime is 51151375843. The next prime is 51151375861. The reversal of 51151375844 is 44857315115.

It is a junction number, because it is equal to n+sod(n) for n = 51151375795 and 51151375804.

It is not an unprimeable number, because it can be changed into a prime (51151375843) 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 3 ways as a sum of consecutive naturals, for example, 336522134 + ... + 336522285.

It is an arithmetic number, because the mean of its divisors is an integer number (7852184900).

Almost surely, 2^51151375844 is an apocalyptic number.

It is an amenable number.

51151375844 is a deficient number, since it is larger than the sum of its proper divisors (43074842956).

51151375844 is a wasteful number, since it uses less digits than its factorization.

51151375844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673044442 (or 673044440 counting only the distinct ones).

The product of its digits is 336000, while the sum is 44.

The spelling of 51151375844 in words is "fifty-one billion, one hundred fifty-one million, three hundred seventy-five thousand, eight hundred forty-four".