51324225512 has 16 divisors (see below), whose sum is σ = 109980483360. Its totient is φ = 21996096624.

The previous prime is 51324225509. The next prime is 51324225521. The reversal of 51324225512 is 21552242315.

It is a super-2 number, since 2×51324225512² (a number of 22 digits) contains 22 as substring.

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, 458251958 + ... + 458252069.

It is an arithmetic number, because the mean of its divisors is an integer number (6873780210).

Almost surely, 2^51324225512 is an apocalyptic number.

It is an amenable number.

51324225512 is an abundant number, since it is smaller than the sum of its proper divisors (58656257848).

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

51324225512 is a wasteful number, since it uses less digits than its factorization.

51324225512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916504040 (or 916504036 counting only the distinct ones).

The product of its digits is 24000, while the sum is 32.

Adding to 51324225512 its reverse (21552242315), we get a palindrome (72876467827).

The spelling of 51324225512 in words is "fifty-one billion, three hundred twenty-four million, two hundred twenty-five thousand, five hundred twelve".