51450415112 has 8 divisors (see below), whose sum is σ = 96469528350. Its totient is φ = 25725207552.

The previous prime is 51450415109. The next prime is 51450415117. The reversal of 51450415112 is 21151405415.

It can be written as a sum of positive squares in only one way, i.e., 44290886116 + 7159528996 = 210454^2 + 84614^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (51450415117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3215650937 + ... + 3215650952.

Almost surely, 2^51450415112 is an apocalyptic number.

It is an amenable number.

51450415112 is a deficient number, since it is larger than the sum of its proper divisors (45019113238).

51450415112 is a wasteful number, since it uses less digits than its factorization.

51450415112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6431301895 (or 6431301891 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 29.

The spelling of 51450415112 in words is "fifty-one billion, four hundred fifty million, four hundred fifteen thousand, one hundred twelve".