51041656225 has 12 divisors (see below), whose sum is σ = 72333318784. Its totient is φ = 34999992720.

The previous prime is 51041656087. The next prime is 51041656261. The reversal of 51041656225 is 52265614015.

It is not a de Polignac number, because 51041656225 - 2¹¹ = 51041654177 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 (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145833129 + ... + 145833478.

Almost surely, 2^51041656225 is an apocalyptic number.

It is an amenable number.

51041656225 is a deficient number, since it is larger than the sum of its proper divisors (21291662559).

51041656225 is a wasteful number, since it uses less digits than its factorization.

51041656225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291666624 (or 291666619 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 51041656225 in words is "fifty-one billion, forty-one million, six hundred fifty-six thousand, two hundred twenty-five".