51320011353 has 16 divisors (see below), whose sum is σ = 75080658240. Its totient is φ = 30985665984.

The previous prime is 51320011339. The next prime is 51320011357. The reversal of 51320011353 is 35311002315.

It is a de Polignac number, because none of the positive numbers 2^k-51320011353 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51320011357) 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, 12412063 + ... + 12416196.

It is an arithmetic number, because the mean of its divisors is an integer number (4692541140).

Almost surely, 2^51320011353 is an apocalyptic number.

51320011353 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

51320011353 is a deficient number, since it is larger than the sum of its proper divisors (23760646887).

51320011353 is a wasteful number, since it uses less digits than its factorization.

51320011353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24828328.

The product of its (nonzero) digits is 1350, while the sum is 24.

Adding to 51320011353 its reverse (35311002315), we get a palindrome (86631013668).

The spelling of 51320011353 in words is "fifty-one billion, three hundred twenty million, eleven thousand, three hundred fifty-three".