51012452424 has 16 divisors (see below), whose sum is σ = 127531131120. Its totient is φ = 17004150800.

The previous prime is 51012452401. The next prime is 51012452489. The reversal of 51012452424 is 42425421015.

It is a junction number, because it is equal to n+sod(n) for n = 51012452391 and 51012452400.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1062759402 + ... + 1062759449.

It is an arithmetic number, because the mean of its divisors is an integer number (7970695695).

Almost surely, 2^51012452424 is an apocalyptic number.

It is an amenable number.

51012452424 is an abundant number, since it is smaller than the sum of its proper divisors (76518678696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51012452424 is a wasteful number, since it uses less digits than its factorization.

51012452424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125518860 (or 2125518856 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 51012452424 its reverse (42425421015), we get a palindrome (93437873439).

The spelling of 51012452424 in words is "fifty-one billion, twelve million, four hundred fifty-two thousand, four hundred twenty-four".