51224124308 has 18 divisors (see below), whose sum is σ = 104277682026. Its totient is φ = 21953196048.

The previous prime is 51224124197. The next prime is 51224124313. The reversal of 51224124308 is 80342142215.

It can be written as a sum of positive squares in only one way, i.e., 42048783364 + 9175340944 = 205058^2 + 95788^2 .

It is a super-2 number, since 2×51224124308² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 130673591 + ... + 130673982.

It is an arithmetic number, because the mean of its divisors is an integer number (5793204557).

Almost surely, 2^51224124308 is an apocalyptic number.

It is an amenable number.

51224124308 is an abundant number, since it is smaller than the sum of its proper divisors (53053557718).

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

51224124308 is a wasteful number, since it uses less digits than its factorization.

51224124308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261347591 (or 261347582 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The spelling of 51224124308 in words is "fifty-one billion, two hundred twenty-four million, one hundred twenty-four thousand, three hundred eight".