51034110123 has 4 divisors (see below), whose sum is σ = 68045480168. Its totient is φ = 34022740080.

The previous prime is 51034110011. The next prime is 51034110133. The reversal of 51034110123 is 32101143015.

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

It is not a de Polignac number, because 51034110123 - 2²⁹ = 50497239211 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 51034110123.

It is not an unprimeable number, because it can be changed into a prime (51034110133) 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, 8505685018 + ... + 8505685023.

It is an arithmetic number, because the mean of its divisors is an integer number (17011370042).

Almost surely, 2^51034110123 is an apocalyptic number.

51034110123 is a deficient number, since it is larger than the sum of its proper divisors (17011370045).

51034110123 is a wasteful number, since it uses less digits than its factorization.

51034110123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17011370044.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 51034110123 its reverse (32101143015), we get a palindrome (83135253138).

The spelling of 51034110123 in words is "fifty-one billion, thirty-four million, one hundred ten thousand, one hundred twenty-three".