51200636256313 has 16 divisors (see below), whose sum is σ = 52892505478656. Its totient is φ = 49511286241920.

The previous prime is 51200636256227. The next prime is 51200636256323. The reversal of 51200636256313 is 31365263600215.

It is a cyclic number.

It is not a de Polignac number, because 51200636256313 - 2⁴⁵ = 16016264167481 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51200636256313.

It is not an unprimeable number, because it can be changed into a prime (51200636256323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1022903395 + ... + 1022953447.

It is an arithmetic number, because the mean of its divisors is an integer number (3305781592416).

Almost surely, 2^{51200636256313} is an apocalyptic number.

It is an amenable number.

51200636256313 is a deficient number, since it is larger than the sum of its proper divisors (1691869222343).

51200636256313 is a wasteful number, since it uses less digits than its factorization.

51200636256313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74544.

The product of its (nonzero) digits is 583200, while the sum is 43.

Adding to 51200636256313 its reverse (31365263600215), we get a palindrome (82565899856528).

The spelling of 51200636256313 in words is "fifty-one trillion, two hundred billion, six hundred thirty-six million, two hundred fifty-six thousand, three hundred thirteen".