51064233565718 has 4 divisors (see below), whose sum is σ = 76596350348580. Its totient is φ = 25532116782858.

The previous prime is 51064233565717. The next prime is 51064233565733. The reversal of 51064233565718 is 81756533246015.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51064233565717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12766058391428 + ... + 12766058391431.

It is an arithmetic number, because the mean of its divisors is an integer number (19149087587145).

Almost surely, 2^{51064233565718} is an apocalyptic number.

51064233565718 is a deficient number, since it is larger than the sum of its proper divisors (25532116782862).

51064233565718 is a wasteful number, since it uses less digits than its factorization.

51064233565718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25532116782861.

The product of its (nonzero) digits is 18144000, while the sum is 56.

The spelling of 51064233565718 in words is "fifty-one trillion, sixty-four billion, two hundred thirty-three million, five hundred sixty-five thousand, seven hundred eighteen".