51303225136 has 40 divisors (see below), whose sum is σ = 104659918400. Its totient is φ = 24294945600.

The previous prime is 51303225133. The next prime is 51303225187. The reversal of 51303225136 is 63152230315.

It is a junction number, because it is equal to n+sod(n) for n = 51303225098 and 51303225107.

It is not an unprimeable number, because it can be changed into a prime (51303225133) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1210675 + ... + 1252333.

It is an arithmetic number, because the mean of its divisors is an integer number (2616497960).

Almost surely, 2^51303225136 is an apocalyptic number.

It is an amenable number.

51303225136 is an abundant number, since it is smaller than the sum of its proper divisors (53356693264).

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

51303225136 is a wasteful number, since it uses less digits than its factorization.

51303225136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45737 (or 45731 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

The spelling of 51303225136 in words is "fifty-one billion, three hundred three million, two hundred twenty-five thousand, one hundred thirty-six".