51541421153225 has 24 divisors (see below), whose sum is σ = 63985457579328. Its totient is φ = 41185338667200.

The previous prime is 51541421153207. The next prime is 51541421153239. The reversal of 51541421153225 is 52235112414515.

51541421153225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-51541421153225 is a prime.

It is a Duffinian number.

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, 477504212 + ... + 477612138.

It is an arithmetic number, because the mean of its divisors is an integer number (2666060732472).

Almost surely, 2^{51541421153225} is an apocalyptic number.

It is an amenable number.

51541421153225 is a deficient number, since it is larger than the sum of its proper divisors (12444036426103).

51541421153225 is a wasteful number, since it uses less digits than its factorization.

51541421153225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129905 (or 129900 counting only the distinct ones).

The product of its digits is 240000, while the sum is 41.

The spelling of 51541421153225 in words is "fifty-one trillion, five hundred forty-one billion, four hundred twenty-one million, one hundred fifty-three thousand, two hundred twenty-five".