51143040325 has 48 divisors (see below), whose sum is σ = 69815281536. Its totient is φ = 36931564800.

The previous prime is 51143040323. The next prime is 51143040337. The reversal of 51143040325 is 52304034115.

It is not a de Polignac number, because 51143040325 - 2¹ = 51143040323 is a prime.

It is a super-3 number, since 3×51143040325³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 51143040293 and 51143040302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51143040323) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5352202 + ... + 5361748.

It is an arithmetic number, because the mean of its divisors is an integer number (1454485032).

Almost surely, 2^51143040325 is an apocalyptic number.

It is an amenable number.

51143040325 is a deficient number, since it is larger than the sum of its proper divisors (18672241211).

51143040325 is a wasteful number, since it uses less digits than its factorization.

51143040325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9934 (or 9929 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 51143040325 in words is "fifty-one billion, one hundred forty-three million, forty thousand, three hundred twenty-five".