51000130143 has 16 divisors (see below), whose sum is σ = 75584016640. Its totient is φ = 33987366072.

The previous prime is 51000130123. The next prime is 51000130151. The reversal of 51000130143 is 34103100015.

51000130143 is a `hidden beast` number, since 510 + 0 + 0 + 13 + 0 + 143 = 666.

It is not a de Polignac number, because 51000130143 - 2⁶ = 51000130079 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 (51000130123) 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, 279571 + ... + 424452.

It is an arithmetic number, because the mean of its divisors is an integer number (4724001040).

Almost surely, 2^51000130143 is an apocalyptic number.

51000130143 is a deficient number, since it is larger than the sum of its proper divisors (24583886497).

51000130143 is a wasteful number, since it uses less digits than its factorization.

51000130143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706715 (or 706709 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 51000130143 its reverse (34103100015), we get a palindrome (85103230158).

The spelling of 51000130143 in words is "fifty-one billion, one hundred thirty thousand, one hundred forty-three".