51024134163 has 4 divisors (see below), whose sum is σ = 68032178888. Its totient is φ = 34016089440.

The previous prime is 51024134149. The next prime is 51024134197. The reversal of 51024134163 is 36143142015.

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

It is not a de Polignac number, because 51024134163 - 2⁵ = 51024134131 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 51024134163.

It is not an unprimeable number, because it can be changed into a prime (51024134143) 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, 8504022358 + ... + 8504022363.

It is an arithmetic number, because the mean of its divisors is an integer number (17008044722).

Almost surely, 2^51024134163 is an apocalyptic number.

51024134163 is a deficient number, since it is larger than the sum of its proper divisors (17008044725).

51024134163 is a wasteful number, since it uses less digits than its factorization.

51024134163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17008044724.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 51024134163 its reverse (36143142015), we get a palindrome (87167276178).

The spelling of 51024134163 in words is "fifty-one billion, twenty-four million, one hundred thirty-four thousand, one hundred sixty-three".