51105302425 has 24 divisors (see below), whose sum is σ = 63852538176. Its totient is φ = 40574091840.

The previous prime is 51105302419. The next prime is 51105302509. The reversal of 51105302425 is 52420350115.

It is not a de Polignac number, because 51105302425 - 2¹¹ = 51105300377 is a prime.

It is a super-2 number, since 2×51105302425² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51105302393 and 51105302402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2675007 + ... + 2694043.

It is an arithmetic number, because the mean of its divisors is an integer number (2660522424).

Almost surely, 2^51105302425 is an apocalyptic number.

It is an amenable number.

51105302425 is a deficient number, since it is larger than the sum of its proper divisors (12747235751).

51105302425 is a wasteful number, since it uses less digits than its factorization.

51105302425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19857 (or 19852 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 51105302425 in words is "fifty-one billion, one hundred five million, three hundred two thousand, four hundred twenty-five".