51231225050 has 48 divisors (see below), whose sum is σ = 98074919232. Its totient is φ = 19902220800.

The previous prime is 51231225029. The next prime is 51231225083. The reversal of 51231225050 is 5052213215.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130154 + ... + 345546.

It is an arithmetic number, because the mean of its divisors is an integer number (2043227484).

Almost surely, 2^51231225050 is an apocalyptic number.

51231225050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51231225050 is a deficient number, since it is larger than the sum of its proper divisors (46843694182).

51231225050 is a wasteful number, since it uses less digits than its factorization.

51231225050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215543 (or 215538 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 51231225050 its reverse (5052213215), we get a palindrome (56283438265).

The spelling of 51231225050 in words is "fifty-one billion, two hundred thirty-one million, two hundred twenty-five thousand, fifty".