51000336103 has 4 divisors (see below), whose sum is σ = 51718650768. Its totient is φ = 50282021440.

The previous prime is 51000336071. The next prime is 51000336139. The reversal of 51000336103 is 30163300015.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30163300015 = 5 ⋅6032660003.

It is a cyclic number.

It is not a de Polignac number, because 51000336103 - 2⁵ = 51000336071 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 (51000336173) 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, 359157226 + ... + 359157367.

It is an arithmetic number, because the mean of its divisors is an integer number (12929662692).

Almost surely, 2^51000336103 is an apocalyptic number.

51000336103 is a deficient number, since it is larger than the sum of its proper divisors (718314665).

51000336103 is an equidigital number, since it uses as much as digits as its factorization.

51000336103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718314664.

The product of its (nonzero) digits is 810, while the sum is 22.

Adding to 51000336103 its reverse (30163300015), we get a palindrome (81163636118).

The spelling of 51000336103 in words is "fifty-one billion, three hundred thirty-six thousand, one hundred three".