51145330224 has 40 divisors (see below), whose sum is σ = 133075996480. Its totient is φ = 16925790528.

The previous prime is 51145330193. The next prime is 51145330241. The reversal of 51145330224 is 42203354115.

It is a junction number, because it is equal to n+sod(n) for n = 51145330191 and 51145330200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3826162 + ... + 3839505.

It is an arithmetic number, because the mean of its divisors is an integer number (3326899912).

Almost surely, 2^51145330224 is an apocalyptic number.

It is an amenable number.

51145330224 is an abundant number, since it is smaller than the sum of its proper divisors (81930666256).

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

51145330224 is a wasteful number, since it uses less digits than its factorization.

51145330224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7665817 (or 7665811 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 51145330224 its reverse (42203354115), we get a palindrome (93348684339).

The spelling of 51145330224 in words is "fifty-one billion, one hundred forty-five million, three hundred thirty thousand, two hundred twenty-four".