51022401225 has 24 divisors (see below), whose sum is σ = 84367219200. Its totient is φ = 27208662720.

The previous prime is 51022401193. The next prime is 51022401271. The reversal of 51022401225 is 52210422015.

It is not a de Polignac number, because 51022401225 - 2⁵ = 51022401193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51022401195 and 51022401204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 664792 + ... + 737558.

It is an arithmetic number, because the mean of its divisors is an integer number (3515300800).

Almost surely, 2^51022401225 is an apocalyptic number.

It is an amenable number.

51022401225 is a deficient number, since it is larger than the sum of its proper divisors (33344817975).

51022401225 is a wasteful number, since it uses less digits than its factorization.

51022401225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82129 (or 82124 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The spelling of 51022401225 in words is "fifty-one billion, twenty-two million, four hundred one thousand, two hundred twenty-five".