51348817113013 has 16 divisors (see below), whose sum is σ = 59972406208000. Its totient is φ = 43057461537792.

The previous prime is 51348817113001. The next prime is 51348817113107. The reversal of 51348817113013 is 31031171884315.

It is a cyclic number.

It is not a de Polignac number, because 51348817113013 - 2²⁹ = 51348280242101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51348817113613) 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, 425880108 + ... + 426000661.

It is an arithmetic number, because the mean of its divisors is an integer number (3748275388000).

Almost surely, 2^{51348817113013} is an apocalyptic number.

It is an amenable number.

51348817113013 is a deficient number, since it is larger than the sum of its proper divisors (8623589094987).

51348817113013 is a wasteful number, since it uses less digits than its factorization.

51348817113013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851880964.

The product of its (nonzero) digits is 241920, while the sum is 46.

Adding to 51348817113013 its reverse (31031171884315), we get a palindrome (82379988997328).

The spelling of 51348817113013 in words is "fifty-one trillion, three hundred forty-eight billion, eight hundred seventeen million, one hundred thirteen thousand, thirteen".