51086123738236 has 24 divisors (see below), whose sum is σ = 94173284240000. Its totient is φ = 24181393007664.

The previous prime is 51086123738231. The next prime is 51086123738239. The reversal of 51086123738236 is 63283732168015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51086123738231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240131646 + ... + 240344293.

Almost surely, 2^{51086123738236} is an apocalyptic number.

It is an amenable number.

51086123738236 is a deficient number, since it is larger than the sum of its proper divisors (43087160501764).

51086123738236 is a wasteful number, since it uses less digits than its factorization.

51086123738236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480477361 (or 480477359 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 51086123738236 in words is "fifty-one trillion, eighty-six billion, one hundred twenty-three million, seven hundred thirty-eight thousand, two hundred thirty-six".