51086051350643 has 4 divisors (see below), whose sum is σ = 51563491083000. Its totient is φ = 50608611618288.

The previous prime is 51086051350511. The next prime is 51086051350651. The reversal of 51086051350643 is 34605315068015.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51086051350643 - 2¹⁴ = 51086051334259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51086051356643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238719866018 + ... + 238719866231.

It is an arithmetic number, because the mean of its divisors is an integer number (12890872770750).

Almost surely, 2^{51086051350643} is an apocalyptic number.

51086051350643 is a deficient number, since it is larger than the sum of its proper divisors (477439732357).

51086051350643 is a wasteful number, since it uses less digits than its factorization.

51086051350643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477439732356.

The product of its (nonzero) digits is 1296000, while the sum is 47.

The spelling of 51086051350643 in words is "fifty-one trillion, eighty-six billion, fifty-one million, three hundred fifty thousand, six hundred forty-three".