51033430425 has 12 divisors (see below), whose sum is σ = 84375271760. Its totient is φ = 27217829520.

The previous prime is 51033430379. The next prime is 51033430451. The reversal of 51033430425 is 52403433015.

It is not a de Polignac number, because 51033430425 - 2¹¹ = 51033428377 is a prime.

It is a super-2 number, since 2×51033430425² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51033430392 and 51033430401.

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 11 ways as a sum of consecutive naturals, for example, 340222795 + ... + 340222944.

Almost surely, 2^51033430425 is an apocalyptic number.

It is an amenable number.

51033430425 is a deficient number, since it is larger than the sum of its proper divisors (33341841335).

51033430425 is a wasteful number, since it uses less digits than its factorization.

51033430425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680445752 (or 680445747 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The spelling of 51033430425 in words is "fifty-one billion, thirty-three million, four hundred thirty thousand, four hundred twenty-five".